Home / 86,301,726.31-129,451,702.31-49,886,945.92

Finding the Fourth Proportional to 86,301,726.31, 129,451,702.31 and 49,886,945.92

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Solution

The fourth proportional to 86,301,726.31, 129,451,702.31 and 49,886,945.92 is: 74,829,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301,726.31 : 129,451,702.31 = 49,886,945.92 : x
  2. Step 2: Convert to fraction form
    86,301,726.31/129,451,702.31 = 49,886,945.92/x
  3. Step 3: Cross multiply
    86,301,726.31x = 129,451,702.31 × 49,886,945.92
  4. Step 4: Simplify right side
    86,301,726.31x = 6,457,950,071,494,216
  5. Step 5: Solve for x
    x = 6,457,950,071,494,216/86,301,726.31
  6. Step 6: Final answer
    x = 74,829,906.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.