Home / 78,662,925.03-108,552,458.84-43,380,711.95

Finding the Fourth Proportional to 78,662,925.03, 108,552,458.84 and 43,380,711.95

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Solution

The fourth proportional to 78,662,925.03, 108,552,458.84 and 43,380,711.95 is: 59,864,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,662,925.03 : 108,552,458.84 = 43,380,711.95 : x
  2. Step 2: Convert to fraction form
    78,662,925.03/108,552,458.84 = 43,380,711.95/x
  3. Step 3: Cross multiply
    78,662,925.03x = 108,552,458.84 × 43,380,711.95
  4. Step 4: Simplify right side
    78,662,925.03x = 4,709,082,948,456,749
  5. Step 5: Solve for x
    x = 4,709,082,948,456,749/78,662,925.03
  6. Step 6: Final answer
    x = 59,864,071.25

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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.