Home / 82,518,385.32-123,573,272.89-60,606,805.63

Finding the Fourth Proportional to 82,518,385.32, 123,573,272.89 and 60,606,805.63

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Solution

The fourth proportional to 82,518,385.32, 123,573,272.89 and 60,606,805.63 is: 90,760,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518,385.32 : 123,573,272.89 = 60,606,805.63 : x
  2. Step 2: Convert to fraction form
    82,518,385.32/123,573,272.89 = 60,606,805.63/x
  3. Step 3: Cross multiply
    82,518,385.32x = 123,573,272.89 × 60,606,805.63
  4. Step 4: Simplify right side
    82,518,385.32x = 7,489,381,330,995,077
  5. Step 5: Solve for x
    x = 7,489,381,330,995,077/82,518,385.32
  6. Step 6: Final answer
    x = 90,760,153.65

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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.