Home / 131,544,812.81-181,344,700.46-89,675,147.52

Finding the Fourth Proportional to 131,544,812.81, 181,344,700.46 and 89,675,147.52

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Solution

The fourth proportional to 131,544,812.81, 181,344,700.46 and 89,675,147.52 is: 123,624,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,544,812.81 : 181,344,700.46 = 89,675,147.52 : x
  2. Step 2: Convert to fraction form
    131,544,812.81/181,344,700.46 = 89,675,147.52/x
  3. Step 3: Cross multiply
    131,544,812.81x = 181,344,700.46 × 89,675,147.52
  4. Step 4: Simplify right side
    131,544,812.81x = 16,262,112,765,944,900
  5. Step 5: Solve for x
    x = 16,262,112,765,944,900/131,544,812.81
  6. Step 6: Final answer
    x = 123,624,127.92

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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.