Home / 115,233,811.72-159,020,432.26-63,022,685.96

Finding the Fourth Proportional to 115,233,811.72, 159,020,432.26 and 63,022,685.96

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Solution

The fourth proportional to 115,233,811.72, 159,020,432.26 and 63,022,685.96 is: 86,970,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233,811.72 : 159,020,432.26 = 63,022,685.96 : x
  2. Step 2: Convert to fraction form
    115,233,811.72/159,020,432.26 = 63,022,685.96/x
  3. Step 3: Cross multiply
    115,233,811.72x = 159,020,432.26 × 63,022,685.96
  4. Step 4: Simplify right side
    115,233,811.72x = 10,021,894,763,545,432
  5. Step 5: Solve for x
    x = 10,021,894,763,545,432/115,233,811.72
  6. Step 6: Final answer
    x = 86,970,088.15

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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.