Home / 140,046,200.70-209,927,583.45-82,508,855.10

Finding the Fourth Proportional to 140,046,200.70, 209,927,583.45 and 82,508,855.10

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Solution

The fourth proportional to 140,046,200.70, 209,927,583.45 and 82,508,855.10 is: 123,679,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,046,200.70 : 209,927,583.45 = 82,508,855.10 : x
  2. Step 2: Convert to fraction form
    140,046,200.70/209,927,583.45 = 82,508,855.10/x
  3. Step 3: Cross multiply
    140,046,200.70x = 209,927,583.45 × 82,508,855.10
  4. Step 4: Simplify right side
    140,046,200.70x = 17,320,884,564,369,206
  5. Step 5: Solve for x
    x = 17,320,884,564,369,206/140,046,200.70
  6. Step 6: Final answer
    x = 123,679,789.08

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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.