Home / 82,944,078.60-124,416,117.90-51,049,345.80

Finding the Fourth Proportional to 82,944,078.60, 124,416,117.90 and 51,049,345.80

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Solution

The fourth proportional to 82,944,078.60, 124,416,117.90 and 51,049,345.80 is: 76,574,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,078.60 : 124,416,117.90 = 51,049,345.80 : x
  2. Step 2: Convert to fraction form
    82,944,078.60/124,416,117.90 = 51,049,345.80/x
  3. Step 3: Cross multiply
    82,944,078.60x = 124,416,117.90 × 51,049,345.80
  4. Step 4: Simplify right side
    82,944,078.60x = 6,351,361,425,770,670
  5. Step 5: Solve for x
    x = 6,351,361,425,770,670/82,944,078.60
  6. Step 6: Final answer
    x = 76,574,018.70

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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.