Home / 86,991,079.06-119,936,248.98-71,252,122.15

Finding the Fourth Proportional to 86,991,079.06, 119,936,248.98 and 71,252,122.15

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Solution

The fourth proportional to 86,991,079.06, 119,936,248.98 and 71,252,122.15 is: 98,236,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,991,079.06 : 119,936,248.98 = 71,252,122.15 : x
  2. Step 2: Convert to fraction form
    86,991,079.06/119,936,248.98 = 71,252,122.15/x
  3. Step 3: Cross multiply
    86,991,079.06x = 119,936,248.98 × 71,252,122.15
  4. Step 4: Simplify right side
    86,991,079.06x = 8,545,712,262,535,774
  5. Step 5: Solve for x
    x = 8,545,712,262,535,774/86,991,079.06
  6. Step 6: Final answer
    x = 98,236,650.87

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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.