Home / 82,944,056.20-124,416,084.30-76,374,891.40

Finding the Fourth Proportional to 82,944,056.20, 124,416,084.30 and 76,374,891.40

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Solution

The fourth proportional to 82,944,056.20, 124,416,084.30 and 76,374,891.40 is: 114,562,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,056.20 : 124,416,084.30 = 76,374,891.40 : x
  2. Step 2: Convert to fraction form
    82,944,056.20/124,416,084.30 = 76,374,891.40/x
  3. Step 3: Cross multiply
    82,944,056.20x = 124,416,084.30 × 76,374,891.40
  4. Step 4: Simplify right side
    82,944,056.20x = 9,502,264,926,825,746
  5. Step 5: Solve for x
    x = 9,502,264,926,825,746/82,944,056.20
  6. Step 6: Final answer
    x = 114,562,337.10

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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.