Home / 82,944,405.40-124,416,608.10-56,966,344.60

Finding the Fourth Proportional to 82,944,405.40, 124,416,608.10 and 56,966,344.60

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Solution

The fourth proportional to 82,944,405.40, 124,416,608.10 and 56,966,344.60 is: 85,449,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,405.40 : 124,416,608.10 = 56,966,344.60 : x
  2. Step 2: Convert to fraction form
    82,944,405.40/124,416,608.10 = 56,966,344.60/x
  3. Step 3: Cross multiply
    82,944,405.40x = 124,416,608.10 × 56,966,344.60
  4. Step 4: Simplify right side
    82,944,405.40x = 7,087,559,370,987,751
  5. Step 5: Solve for x
    x = 7,087,559,370,987,751/82,944,405.40
  6. Step 6: Final answer
    x = 85,449,516.90

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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.