Home / 115,233,810.72-159,020,430.88-63,022,684.96

Finding the Fourth Proportional to 115,233,810.72, 159,020,430.88 and 63,022,684.96

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Solution

The fourth proportional to 115,233,810.72, 159,020,430.88 and 63,022,684.96 is: 86,970,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233,810.72 : 159,020,430.88 = 63,022,684.96 : x
  2. Step 2: Convert to fraction form
    115,233,810.72/159,020,430.88 = 63,022,684.96/x
  3. Step 3: Cross multiply
    115,233,810.72x = 159,020,430.88 × 63,022,684.96
  4. Step 4: Simplify right side
    115,233,810.72x = 10,021,894,517,553,696
  5. Step 5: Solve for x
    x = 10,021,894,517,553,696/115,233,810.72
  6. Step 6: Final answer
    x = 86,970,086.77

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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.