Home / 73,141,146.72-100,920,569.36-43,366,294.76

Finding the Fourth Proportional to 73,141,146.72, 100,920,569.36 and 43,366,294.76

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Solution

The fourth proportional to 73,141,146.72, 100,920,569.36 and 43,366,294.76 is: 59,837,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141,146.72 : 100,920,569.36 = 43,366,294.76 : x
  2. Step 2: Convert to fraction form
    73,141,146.72/100,920,569.36 = 43,366,294.76/x
  3. Step 3: Cross multiply
    73,141,146.72x = 100,920,569.36 × 43,366,294.76
  4. Step 4: Simplify right side
    73,141,146.72x = 4,376,551,157,491,350.50
  5. Step 5: Solve for x
    x = 4,376,551,157,491,350.50/73,141,146.72
  6. Step 6: Final answer
    x = 59,837,059.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.