Home / 202,092,077.80-303,138,116.70-72,719,655.40

Finding the Fourth Proportional to 202,092,077.80, 303,138,116.70 and 72,719,655.40

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Solution

The fourth proportional to 202,092,077.80, 303,138,116.70 and 72,719,655.40 is: 109,079,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,092,077.80 : 303,138,116.70 = 72,719,655.40 : x
  2. Step 2: Convert to fraction form
    202,092,077.80/303,138,116.70 = 72,719,655.40/x
  3. Step 3: Cross multiply
    202,092,077.80x = 303,138,116.70 × 72,719,655.40
  4. Step 4: Simplify right side
    202,092,077.80x = 22,044,099,385,028,988
  5. Step 5: Solve for x
    x = 22,044,099,385,028,988/202,092,077.80
  6. Step 6: Final answer
    x = 109,079,483.10

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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.