Home / 159,772,446.90-239,658,670.35-91,747,998.90

Finding the Fourth Proportional to 159,772,446.90, 239,658,670.35 and 91,747,998.90

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Solution

The fourth proportional to 159,772,446.90, 239,658,670.35 and 91,747,998.90 is: 137,621,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,772,446.90 : 239,658,670.35 = 91,747,998.90 : x
  2. Step 2: Convert to fraction form
    159,772,446.90/239,658,670.35 = 91,747,998.90/x
  3. Step 3: Cross multiply
    159,772,446.90x = 239,658,670.35 × 91,747,998.90
  4. Step 4: Simplify right side
    159,772,446.90x = 21,988,203,423,647,264
  5. Step 5: Solve for x
    x = 21,988,203,423,647,264/159,772,446.90
  6. Step 6: Final answer
    x = 137,621,998.35

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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.