Home / 61,643,909.20-92,465,863.80-31,410,821.20

Finding the Fourth Proportional to 61,643,909.20, 92,465,863.80 and 31,410,821.20

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Solution

The fourth proportional to 61,643,909.20, 92,465,863.80 and 31,410,821.20 is: 47,116,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,643,909.20 : 92,465,863.80 = 31,410,821.20 : x
  2. Step 2: Convert to fraction form
    61,643,909.20/92,465,863.80 = 31,410,821.20/x
  3. Step 3: Cross multiply
    61,643,909.20x = 92,465,863.80 × 31,410,821.20
  4. Step 4: Simplify right side
    61,643,909.20x = 2,904,428,714,925,352.50
  5. Step 5: Solve for x
    x = 2,904,428,714,925,352.50/61,643,909.20
  6. Step 6: Final answer
    x = 47,116,231.80

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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.