Home / 99,455,966.60-149,183,949.90-72,582,110.60

Finding the Fourth Proportional to 99,455,966.60, 149,183,949.90 and 72,582,110.60

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Solution

The fourth proportional to 99,455,966.60, 149,183,949.90 and 72,582,110.60 is: 108,873,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,455,966.60 : 149,183,949.90 = 72,582,110.60 : x
  2. Step 2: Convert to fraction form
    99,455,966.60/149,183,949.90 = 72,582,110.60/x
  3. Step 3: Cross multiply
    99,455,966.60x = 149,183,949.90 × 72,582,110.60
  4. Step 4: Simplify right side
    99,455,966.60x = 10,828,085,951,386,658
  5. Step 5: Solve for x
    x = 10,828,085,951,386,658/99,455,966.60
  6. Step 6: Final answer
    x = 108,873,165.90

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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.