Home / 81,344,596.29-121,897,289.07-48,073,566.41

Finding the Fourth Proportional to 81,344,596.29, 121,897,289.07 and 48,073,566.41

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Solution

The fourth proportional to 81,344,596.29, 121,897,289.07 and 48,073,566.41 is: 72,039,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,344,596.29 : 121,897,289.07 = 48,073,566.41 : x
  2. Step 2: Convert to fraction form
    81,344,596.29/121,897,289.07 = 48,073,566.41/x
  3. Step 3: Cross multiply
    81,344,596.29x = 121,897,289.07 × 48,073,566.41
  4. Step 4: Simplify right side
    81,344,596.29x = 5,860,037,420,701,677
  5. Step 5: Solve for x
    x = 5,860,037,420,701,677/81,344,596.29
  6. Step 6: Final answer
    x = 72,039,664.44

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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.