Home / 131,598,675.63-181,608,943.14-72,062,472.15

Finding the Fourth Proportional to 131,598,675.63, 181,608,943.14 and 72,062,472.15

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Solution

The fourth proportional to 131,598,675.63, 181,608,943.14 and 72,062,472.15 is: 99,447,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598,675.63 : 181,608,943.14 = 72,062,472.15 : x
  2. Step 2: Convert to fraction form
    131,598,675.63/181,608,943.14 = 72,062,472.15/x
  3. Step 3: Cross multiply
    131,598,675.63x = 181,608,943.14 × 72,062,472.15
  4. Step 4: Simplify right side
    131,598,675.63x = 13,087,189,407,217,184
  5. Step 5: Solve for x
    x = 13,087,189,407,217,184/131,598,675.63
  6. Step 6: Final answer
    x = 99,447,728.82

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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.