Home / 86,806,508.75-130,729,403.29-79,058,098.97

Finding the Fourth Proportional to 86,806,508.75, 130,729,403.29 and 79,058,098.97

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Solution

The fourth proportional to 86,806,508.75, 130,729,403.29 and 79,058,098.97 is: 119,060,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806,508.75 : 130,729,403.29 = 79,058,098.97 : x
  2. Step 2: Convert to fraction form
    86,806,508.75/130,729,403.29 = 79,058,098.97/x
  3. Step 3: Cross multiply
    86,806,508.75x = 130,729,403.29 × 79,058,098.97
  4. Step 4: Simplify right side
    86,806,508.75x = 10,335,218,103,194,572
  5. Step 5: Solve for x
    x = 10,335,218,103,194,572/86,806,508.75
  6. Step 6: Final answer
    x = 119,060,405.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.