Home / 189,512,972.10-284,482,034.55-146,572,539.30

Finding the Fourth Proportional to 189,512,972.10, 284,482,034.55 and 146,572,539.30

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Solution

The fourth proportional to 189,512,972.10, 284,482,034.55 and 146,572,539.30 is: 220,023,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,512,972.10 : 284,482,034.55 = 146,572,539.30 : x
  2. Step 2: Convert to fraction form
    189,512,972.10/284,482,034.55 = 146,572,539.30/x
  3. Step 3: Cross multiply
    189,512,972.10x = 284,482,034.55 × 146,572,539.30
  4. Step 4: Simplify right side
    189,512,972.10x = 41,697,254,189,223,840
  5. Step 5: Solve for x
    x = 41,697,254,189,223,840/189,512,972.10
  6. Step 6: Final answer
    x = 220,023,219.13

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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.