Home / 87,518,282.52-120,852,697.50-54,534,823.32

Finding the Fourth Proportional to 87,518,282.52, 120,852,697.50 and 54,534,823.32

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Solution

The fourth proportional to 87,518,282.52, 120,852,697.50 and 54,534,823.32 is: 75,306,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,518,282.52 : 120,852,697.50 = 54,534,823.32 : x
  2. Step 2: Convert to fraction form
    87,518,282.52/120,852,697.50 = 54,534,823.32/x
  3. Step 3: Cross multiply
    87,518,282.52x = 120,852,697.50 × 54,534,823.32
  4. Step 4: Simplify right side
    87,518,282.52x = 6,590,680,505,907,906
  5. Step 5: Solve for x
    x = 6,590,680,505,907,906/87,518,282.52
  6. Step 6: Final answer
    x = 75,306,328.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.