Home / 74,890,187.30-112,335,280.95-67,723,825.70

Finding the Fourth Proportional to 74,890,187.30, 112,335,280.95 and 67,723,825.70

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Solution

The fourth proportional to 74,890,187.30, 112,335,280.95 and 67,723,825.70 is: 101,585,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,187.30 : 112,335,280.95 = 67,723,825.70 : x
  2. Step 2: Convert to fraction form
    74,890,187.30/112,335,280.95 = 67,723,825.70/x
  3. Step 3: Cross multiply
    74,890,187.30x = 112,335,280.95 × 67,723,825.70
  4. Step 4: Simplify right side
    74,890,187.30x = 7,607,774,987,018,331
  5. Step 5: Solve for x
    x = 7,607,774,987,018,331/74,890,187.30
  6. Step 6: Final answer
    x = 101,585,738.55

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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.