Home / 78,804,594.20-118,206,891.30-42,524,888.60

Finding the Fourth Proportional to 78,804,594.20, 118,206,891.30 and 42,524,888.60

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Solution

The fourth proportional to 78,804,594.20, 118,206,891.30 and 42,524,888.60 is: 63,787,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,594.20 : 118,206,891.30 = 42,524,888.60 : x
  2. Step 2: Convert to fraction form
    78,804,594.20/118,206,891.30 = 42,524,888.60/x
  3. Step 3: Cross multiply
    78,804,594.20x = 118,206,891.30 × 42,524,888.60
  4. Step 4: Simplify right side
    78,804,594.20x = 5,026,734,884,284,809
  5. Step 5: Solve for x
    x = 5,026,734,884,284,809/78,804,594.20
  6. Step 6: Final answer
    x = 63,787,332.90

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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.