Home / 124,940,031.60-187,427,485.20-52,140,124.80

Finding the Fourth Proportional to 124,940,031.60, 187,427,485.20 and 52,140,124.80

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Solution

The fourth proportional to 124,940,031.60, 187,427,485.20 and 52,140,124.80 is: 78,217,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940,031.60 : 187,427,485.20 = 52,140,124.80 : x
  2. Step 2: Convert to fraction form
    124,940,031.60/187,427,485.20 = 52,140,124.80/x
  3. Step 3: Cross multiply
    124,940,031.60x = 187,427,485.20 × 52,140,124.80
  4. Step 4: Simplify right side
    124,940,031.60x = 9,772,492,469,278,152
  5. Step 5: Solve for x
    x = 9,772,492,469,278,152/124,940,031.60
  6. Step 6: Final answer
    x = 78,217,464.36

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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.