Home / 78,264,275.25-108,046,631.30-60,343,352.76

Finding the Fourth Proportional to 78,264,275.25, 108,046,631.30 and 60,343,352.76

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Solution

The fourth proportional to 78,264,275.25, 108,046,631.30 and 60,343,352.76 is: 83,306,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,264,275.25 : 108,046,631.30 = 60,343,352.76 : x
  2. Step 2: Convert to fraction form
    78,264,275.25/108,046,631.30 = 60,343,352.76/x
  3. Step 3: Cross multiply
    78,264,275.25x = 108,046,631.30 × 60,343,352.76
  4. Step 4: Simplify right side
    78,264,275.25x = 6,519,895,987,065,557
  5. Step 5: Solve for x
    x = 6,519,895,987,065,557/78,264,275.25
  6. Step 6: Final answer
    x = 83,306,156.82

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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.