Home / 131,518,882.93-181,496,411.49-72,785,598.25

Finding the Fourth Proportional to 131,518,882.93, 181,496,411.49 and 72,785,598.25

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Solution

The fourth proportional to 131,518,882.93, 181,496,411.49 and 72,785,598.25 is: 100,444,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,518,882.93 : 181,496,411.49 = 72,785,598.25 : x
  2. Step 2: Convert to fraction form
    131,518,882.93/181,496,411.49 = 72,785,598.25/x
  3. Step 3: Cross multiply
    131,518,882.93x = 181,496,411.49 × 72,785,598.25
  4. Step 4: Simplify right side
    131,518,882.93x = 13,210,324,890,527,824
  5. Step 5: Solve for x
    x = 13,210,324,890,527,824/131,518,882.93
  6. Step 6: Final answer
    x = 100,444,320.97

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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.