Home / 121,661,077.92-182,502,836.26-39,780,376.10

Finding the Fourth Proportional to 121,661,077.92, 182,502,836.26 and 39,780,376.10

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Solution

The fourth proportional to 121,661,077.92, 182,502,836.26 and 39,780,376.10 is: 59,674,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,661,077.92 : 182,502,836.26 = 39,780,376.10 : x
  2. Step 2: Convert to fraction form
    121,661,077.92/182,502,836.26 = 39,780,376.10/x
  3. Step 3: Cross multiply
    121,661,077.92x = 182,502,836.26 × 39,780,376.10
  4. Step 4: Simplify right side
    121,661,077.92x = 7,260,031,465,411,938
  5. Step 5: Solve for x
    x = 7,260,031,465,411,938/121,661,077.92
  6. Step 6: Final answer
    x = 59,674,232.63

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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.