Home / 131,493,227.60-181,465,997.64-72,754,936.40

Finding the Fourth Proportional to 131,493,227.60, 181,465,997.64 and 72,754,936.40

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Solution

The fourth proportional to 131,493,227.60, 181,465,997.64 and 72,754,936.40 is: 100,404,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,493,227.60 : 181,465,997.64 = 72,754,936.40 : x
  2. Step 2: Convert to fraction form
    131,493,227.60/181,465,997.64 = 72,754,936.40/x
  3. Step 3: Cross multiply
    131,493,227.60x = 181,465,997.64 × 72,754,936.40
  4. Step 4: Simplify right side
    131,493,227.60x = 13,202,547,117,060,750
  5. Step 5: Solve for x
    x = 13,202,547,117,060,750/131,493,227.60
  6. Step 6: Final answer
    x = 100,404,768.81

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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.