Home / 121,676,189.01-167,913,140.03-66,670,864.53

Finding the Fourth Proportional to 121,676,189.01, 167,913,140.03 and 66,670,864.53

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Solution

The fourth proportional to 121,676,189.01, 167,913,140.03 and 66,670,864.53 is: 92,005,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,676,189.01 : 167,913,140.03 = 66,670,864.53 : x
  2. Step 2: Convert to fraction form
    121,676,189.01/167,913,140.03 = 66,670,864.53/x
  3. Step 3: Cross multiply
    121,676,189.01x = 167,913,140.03 × 66,670,864.53
  4. Step 4: Simplify right side
    121,676,189.01x = 11,194,914,211,747,050
  5. Step 5: Solve for x
    x = 11,194,914,211,747,050/121,676,189.01
  6. Step 6: Final answer
    x = 92,005,792.61

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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.