Home / 99,664,982.40-149,336,510.40-56,405,539.20

Finding the Fourth Proportional to 99,664,982.40, 149,336,510.40 and 56,405,539.20

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Solution

The fourth proportional to 99,664,982.40, 149,336,510.40 and 56,405,539.20 is: 84,517,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664,982.40 : 149,336,510.40 = 56,405,539.20 : x
  2. Step 2: Convert to fraction form
    99,664,982.40/149,336,510.40 = 56,405,539.20/x
  3. Step 3: Cross multiply
    99,664,982.40x = 149,336,510.40 × 56,405,539.20
  4. Step 4: Simplify right side
    99,664,982.40x = 8,423,406,391,358,408
  5. Step 5: Solve for x
    x = 8,423,406,391,358,408/99,664,982.40
  6. Step 6: Final answer
    x = 84,517,211.45

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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.