Home / 140,046,061.70-209,927,374.95-82,508,716.10

Finding the Fourth Proportional to 140,046,061.70, 209,927,374.95 and 82,508,716.10

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Solution

The fourth proportional to 140,046,061.70, 209,927,374.95 and 82,508,716.10 is: 123,679,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,046,061.70 : 209,927,374.95 = 82,508,716.10 : x
  2. Step 2: Convert to fraction form
    140,046,061.70/209,927,374.95 = 82,508,716.10/x
  3. Step 3: Cross multiply
    140,046,061.70x = 209,927,374.95 × 82,508,716.10
  4. Step 4: Simplify right side
    140,046,061.70x = 17,320,838,181,367,800
  5. Step 5: Solve for x
    x = 17,320,838,181,367,800/140,046,061.70
  6. Step 6: Final answer
    x = 123,679,580.64

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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.