Home / 47,911,985.10-71,867,977.65-39,834,081.90

Finding the Fourth Proportional to 47,911,985.10, 71,867,977.65 and 39,834,081.90

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Solution

The fourth proportional to 47,911,985.10, 71,867,977.65 and 39,834,081.90 is: 59,751,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911,985.10 : 71,867,977.65 = 39,834,081.90 : x
  2. Step 2: Convert to fraction form
    47,911,985.10/71,867,977.65 = 39,834,081.90/x
  3. Step 3: Cross multiply
    47,911,985.10x = 71,867,977.65 × 39,834,081.90
  4. Step 4: Simplify right side
    47,911,985.10x = 2,862,794,907,697,469.50
  5. Step 5: Solve for x
    x = 2,862,794,907,697,469.50/47,911,985.10
  6. Step 6: Final answer
    x = 59,751,122.85

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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.