Home / 121,117,080.90-181,675,621.35-56,546,999.40

Finding the Fourth Proportional to 121,117,080.90, 181,675,621.35 and 56,546,999.40

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Solution

The fourth proportional to 121,117,080.90, 181,675,621.35 and 56,546,999.40 is: 84,820,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,117,080.90 : 181,675,621.35 = 56,546,999.40 : x
  2. Step 2: Convert to fraction form
    121,117,080.90/181,675,621.35 = 56,546,999.40/x
  3. Step 3: Cross multiply
    121,117,080.90x = 181,675,621.35 × 56,546,999.40
  4. Step 4: Simplify right side
    121,117,080.90x = 10,273,211,251,473,076
  5. Step 5: Solve for x
    x = 10,273,211,251,473,076/121,117,080.90
  6. Step 6: Final answer
    x = 84,820,499.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.