Home / 243,281,338.14-335,710,817.34-142,813,854.68

Finding the Fourth Proportional to 243,281,338.14, 335,710,817.34 and 142,813,854.68

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Solution

The fourth proportional to 243,281,338.14, 335,710,817.34 and 142,813,854.68 is: 197,072,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,338.14 : 335,710,817.34 = 142,813,854.68 : x
  2. Step 2: Convert to fraction form
    243,281,338.14/335,710,817.34 = 142,813,854.68/x
  3. Step 3: Cross multiply
    243,281,338.14x = 335,710,817.34 × 142,813,854.68
  4. Step 4: Simplify right side
    243,281,338.14x = 47,944,155,882,098,784
  5. Step 5: Solve for x
    x = 47,944,155,882,098,784/243,281,338.14
  6. Step 6: Final answer
    x = 197,072,887.91

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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.