Home / 189,349,240.80-284,023,861.20-155,309,023.20

Finding the Fourth Proportional to 189,349,240.80, 284,023,861.20 and 155,309,023.20

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Solution

The fourth proportional to 189,349,240.80, 284,023,861.20 and 155,309,023.20 is: 232,963,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,349,240.80 : 284,023,861.20 = 155,309,023.20 : x
  2. Step 2: Convert to fraction form
    189,349,240.80/284,023,861.20 = 155,309,023.20/x
  3. Step 3: Cross multiply
    189,349,240.80x = 284,023,861.20 × 155,309,023.20
  4. Step 4: Simplify right side
    189,349,240.80x = 44,111,468,448,464,376
  5. Step 5: Solve for x
    x = 44,111,468,448,464,376/189,349,240.80
  6. Step 6: Final answer
    x = 232,963,534.80

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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.