Home / 121,358,995,276.76-167,474,179,877.48-67,165,649,134.28

Finding the Fourth Proportional to 121,358,995,276.76, 167,474,179,877.48 and 67,165,649,134.28

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Solution

The fourth proportional to 121,358,995,276.76, 167,474,179,877.48 and 67,165,649,134.28 is: 92,687,913,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,358,995,276.76 : 167,474,179,877.48 = 67,165,649,134.28 : x
  2. Step 2: Convert to fraction form
    121,358,995,276.76/167,474,179,877.48 = 67,165,649,134.28/x
  3. Step 3: Cross multiply
    121,358,995,276.76x = 167,474,179,877.48 × 67,165,649,134.28
  4. Step 4: Simplify right side
    121,358,995,276.76x = 11,248,512,004,702,118,871,040
  5. Step 5: Solve for x
    x = 11,248,512,004,702,118,871,040/121,358,995,276.76
  6. Step 6: Final answer
    x = 92,687,913,071.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.