Home / 80,888,970.85-121,333,456.28-32,374,312.45

Finding the Fourth Proportional to 80,888,970.85, 121,333,456.28 and 32,374,312.45

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Solution

The fourth proportional to 80,888,970.85, 121,333,456.28 and 32,374,312.45 is: 48,561,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,888,970.85 : 121,333,456.28 = 32,374,312.45 : x
  2. Step 2: Convert to fraction form
    80,888,970.85/121,333,456.28 = 32,374,312.45/x
  3. Step 3: Cross multiply
    80,888,970.85x = 121,333,456.28 × 32,374,312.45
  4. Step 4: Simplify right side
    80,888,970.85x = 3,928,087,224,247,134.50
  5. Step 5: Solve for x
    x = 3,928,087,224,247,134.50/80,888,970.85
  6. Step 6: Final answer
    x = 48,561,468.68

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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.