Home / 140,046,032.70-209,927,331.45-82,508,687.10

Finding the Fourth Proportional to 140,046,032.70, 209,927,331.45 and 82,508,687.10

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Solution

The fourth proportional to 140,046,032.70, 209,927,331.45 and 82,508,687.10 is: 123,679,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,046,032.70 : 209,927,331.45 = 82,508,687.10 : x
  2. Step 2: Convert to fraction form
    140,046,032.70/209,927,331.45 = 82,508,687.10/x
  3. Step 3: Cross multiply
    140,046,032.70x = 209,927,331.45 × 82,508,687.10
  4. Step 4: Simplify right side
    140,046,032.70x = 17,320,828,504,346,038
  5. Step 5: Solve for x
    x = 17,320,828,504,346,038/140,046,032.70
  6. Step 6: Final answer
    x = 123,679,537.15

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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.