Home / 186,690,475.10-280,035,712.65-161,160,311.90

Finding the Fourth Proportional to 186,690,475.10, 280,035,712.65 and 161,160,311.90

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Solution

The fourth proportional to 186,690,475.10, 280,035,712.65 and 161,160,311.90 is: 241,740,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,690,475.10 : 280,035,712.65 = 161,160,311.90 : x
  2. Step 2: Convert to fraction form
    186,690,475.10/280,035,712.65 = 161,160,311.90/x
  3. Step 3: Cross multiply
    186,690,475.10x = 280,035,712.65 × 161,160,311.90
  4. Step 4: Simplify right side
    186,690,475.10x = 45,130,642,793,812,776
  5. Step 5: Solve for x
    x = 45,130,642,793,812,776/186,690,475.10
  6. Step 6: Final answer
    x = 241,740,467.85

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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.