Home / 66,257,139.60-99,292,682.92-52,363,011.96

Finding the Fourth Proportional to 66,257,139.60, 99,292,682.92 and 52,363,011.96

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Solution

The fourth proportional to 66,257,139.60, 99,292,682.92 and 52,363,011.96 is: 78,470,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257,139.60 : 99,292,682.92 = 52,363,011.96 : x
  2. Step 2: Convert to fraction form
    66,257,139.60/99,292,682.92 = 52,363,011.96/x
  3. Step 3: Cross multiply
    66,257,139.60x = 99,292,682.92 × 52,363,011.96
  4. Step 4: Simplify right side
    66,257,139.60x = 5,199,263,943,280,448
  5. Step 5: Solve for x
    x = 5,199,263,943,280,448/66,257,139.60
  6. Step 6: Final answer
    x = 78,470,999.12

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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.