Home / 87,552,133.80-131,328,200.70-86,357,740.20

Finding the Fourth Proportional to 87,552,133.80, 131,328,200.70 and 86,357,740.20

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Solution

The fourth proportional to 87,552,133.80, 131,328,200.70 and 86,357,740.20 is: 129,536,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,133.80 : 131,328,200.70 = 86,357,740.20 : x
  2. Step 2: Convert to fraction form
    87,552,133.80/131,328,200.70 = 86,357,740.20/x
  3. Step 3: Cross multiply
    87,552,133.80x = 131,328,200.70 × 86,357,740.20
  4. Step 4: Simplify right side
    87,552,133.80x = 11,341,206,636,984,058
  5. Step 5: Solve for x
    x = 11,341,206,636,984,058/87,552,133.80
  6. Step 6: Final answer
    x = 129,536,610.30

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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.