Home / 72,614,403.20-108,921,604.80-72,110,518.40

Finding the Fourth Proportional to 72,614,403.20, 108,921,604.80 and 72,110,518.40

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Solution

The fourth proportional to 72,614,403.20, 108,921,604.80 and 72,110,518.40 is: 108,165,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,614,403.20 : 108,921,604.80 = 72,110,518.40 : x
  2. Step 2: Convert to fraction form
    72,614,403.20/108,921,604.80 = 72,110,518.40/x
  3. Step 3: Cross multiply
    72,614,403.20x = 108,921,604.80 × 72,110,518.40
  4. Step 4: Simplify right side
    72,614,403.20x = 7,854,393,387,087,929
  5. Step 5: Solve for x
    x = 7,854,393,387,087,929/72,614,403.20
  6. Step 6: Final answer
    x = 108,165,777.60

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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.