Home / 72,583,480.20-108,749,249.10-47,011,326.60

Finding the Fourth Proportional to 72,583,480.20, 108,749,249.10 and 47,011,326.60

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Solution

The fourth proportional to 72,583,480.20, 108,749,249.10 and 47,011,326.60 is: 70,435,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583,480.20 : 108,749,249.10 = 47,011,326.60 : x
  2. Step 2: Convert to fraction form
    72,583,480.20/108,749,249.10 = 47,011,326.60/x
  3. Step 3: Cross multiply
    72,583,480.20x = 108,749,249.10 × 47,011,326.60
  4. Step 4: Simplify right side
    72,583,480.20x = 5,112,446,466,944,856
  5. Step 5: Solve for x
    x = 5,112,446,466,944,856/72,583,480.20
  6. Step 6: Final answer
    x = 70,435,400.08

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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.