Home / 120,889,002.38-181,315,787.58-59,461,672.68

Finding the Fourth Proportional to 120,889,002.38, 181,315,787.58 and 59,461,672.68

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Solution

The fourth proportional to 120,889,002.38, 181,315,787.58 and 59,461,672.68 is: 89,183,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,889,002.38 : 181,315,787.58 = 59,461,672.68 : x
  2. Step 2: Convert to fraction form
    120,889,002.38/181,315,787.58 = 59,461,672.68/x
  3. Step 3: Cross multiply
    120,889,002.38x = 181,315,787.58 × 59,461,672.68
  4. Step 4: Simplify right side
    120,889,002.38x = 10,781,340,012,798,370
  5. Step 5: Solve for x
    x = 10,781,340,012,798,370/120,889,002.38
  6. Step 6: Final answer
    x = 89,183,795.06

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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.