Home / 119,767,281.20-165,279,836.58-66,123,670.40

Finding the Fourth Proportional to 119,767,281.20, 165,279,836.58 and 66,123,670.40

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Solution

The fourth proportional to 119,767,281.20, 165,279,836.58 and 66,123,670.40 is: 91,251,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,767,281.20 : 165,279,836.58 = 66,123,670.40 : x
  2. Step 2: Convert to fraction form
    119,767,281.20/165,279,836.58 = 66,123,670.40/x
  3. Step 3: Cross multiply
    119,767,281.20x = 165,279,836.58 × 66,123,670.40
  4. Step 4: Simplify right side
    119,767,281.20x = 10,928,909,437,781,784
  5. Step 5: Solve for x
    x = 10,928,909,437,781,784/119,767,281.20
  6. Step 6: Final answer
    x = 91,251,210.92

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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.