Home / 66,257,140.60-99,292,684.42-52,363,012.96

Finding the Fourth Proportional to 66,257,140.60, 99,292,684.42 and 52,363,012.96

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Solution

The fourth proportional to 66,257,140.60, 99,292,684.42 and 52,363,012.96 is: 78,471,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257,140.60 : 99,292,684.42 = 52,363,012.96 : x
  2. Step 2: Convert to fraction form
    66,257,140.60/99,292,684.42 = 52,363,012.96/x
  3. Step 3: Cross multiply
    66,257,140.60x = 99,292,684.42 × 52,363,012.96
  4. Step 4: Simplify right side
    66,257,140.60x = 5,199,264,121,117,650
  5. Step 5: Solve for x
    x = 5,199,264,121,117,650/66,257,140.60
  6. Step 6: Final answer
    x = 78,471,000.62

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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.