Home / 87,552,411.20-131,328,616.80-51,272,705.60

Finding the Fourth Proportional to 87,552,411.20, 131,328,616.80 and 51,272,705.60

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Solution

The fourth proportional to 87,552,411.20, 131,328,616.80 and 51,272,705.60 is: 76,909,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,411.20 : 131,328,616.80 = 51,272,705.60 : x
  2. Step 2: Convert to fraction form
    87,552,411.20/131,328,616.80 = 51,272,705.60/x
  3. Step 3: Cross multiply
    87,552,411.20x = 131,328,616.80 × 51,272,705.60
  4. Step 4: Simplify right side
    87,552,411.20x = 6,733,573,506,041,614
  5. Step 5: Solve for x
    x = 6,733,573,506,041,614/87,552,411.20
  6. Step 6: Final answer
    x = 76,909,058.40

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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.