Home / 119,767,280.20-165,279,835.20-66,123,669.40

Finding the Fourth Proportional to 119,767,280.20, 165,279,835.20 and 66,123,669.40

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Solution

The fourth proportional to 119,767,280.20, 165,279,835.20 and 66,123,669.40 is: 91,251,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,767,280.20 : 165,279,835.20 = 66,123,669.40 : x
  2. Step 2: Convert to fraction form
    119,767,280.20/165,279,835.20 = 66,123,669.40/x
  3. Step 3: Cross multiply
    119,767,280.20x = 165,279,835.20 × 66,123,669.40
  4. Step 4: Simplify right side
    119,767,280.20x = 10,928,909,181,251,282
  5. Step 5: Solve for x
    x = 10,928,909,181,251,282/119,767,280.20
  6. Step 6: Final answer
    x = 91,251,209.54

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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.