Home / 189,542,448-284,313,672-45,935,280

Finding the Fourth Proportional to 189,542,448, 284,313,672 and 45,935,280

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Solution

The fourth proportional to 189,542,448, 284,313,672 and 45,935,280 is: 68,902,920

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,542,448 : 284,313,672 = 45,935,280 : x
  2. Step 2: Convert to fraction form
    189,542,448/284,313,672 = 45,935,280/x
  3. Step 3: Cross multiply
    189,542,448x = 284,313,672 × 45,935,280
  4. Step 4: Simplify right side
    189,542,448x = 13,060,028,131,148,160
  5. Step 5: Solve for x
    x = 13,060,028,131,148,160/189,542,448
  6. Step 6: Final answer
    x = 68,902,920

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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.