Home / 161,655,200.90-242,482,801.35-79,813,286.90

Finding the Fourth Proportional to 161,655,200.90, 242,482,801.35 and 79,813,286.90

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Solution

The fourth proportional to 161,655,200.90, 242,482,801.35 and 79,813,286.90 is: 119,719,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,655,200.90 : 242,482,801.35 = 79,813,286.90 : x
  2. Step 2: Convert to fraction form
    161,655,200.90/242,482,801.35 = 79,813,286.90/x
  3. Step 3: Cross multiply
    161,655,200.90x = 242,482,801.35 × 79,813,286.90
  4. Step 4: Simplify right side
    161,655,200.90x = 19,353,349,392,463,260
  5. Step 5: Solve for x
    x = 19,353,349,392,463,260/161,655,200.90
  6. Step 6: Final answer
    x = 119,719,930.35

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Double scale
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Similar ratio
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1.5x scale

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.