Home / 72,610,084.89-108,947,290.59-38,058,275.28

Finding the Fourth Proportional to 72,610,084.89, 108,947,290.59 and 38,058,275.28

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Solution

The fourth proportional to 72,610,084.89, 108,947,290.59 and 38,058,275.28 is: 57,104,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,084.89 : 108,947,290.59 = 38,058,275.28 : x
  2. Step 2: Convert to fraction form
    72,610,084.89/108,947,290.59 = 38,058,275.28/x
  3. Step 3: Cross multiply
    72,610,084.89x = 108,947,290.59 × 38,058,275.28
  4. Step 4: Simplify right side
    72,610,084.89x = 4,146,345,976,284,374
  5. Step 5: Solve for x
    x = 4,146,345,976,284,374/72,610,084.89
  6. Step 6: Final answer
    x = 57,104,271.16

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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.