Home / 81,850,616.20-122,775,924.30-49,565,575.45

Finding the Fourth Proportional to 81,850,616.20, 122,775,924.30 and 49,565,575.45

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Solution

The fourth proportional to 81,850,616.20, 122,775,924.30 and 49,565,575.45 is: 74,348,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,850,616.20 : 122,775,924.30 = 49,565,575.45 : x
  2. Step 2: Convert to fraction form
    81,850,616.20/122,775,924.30 = 49,565,575.45/x
  3. Step 3: Cross multiply
    81,850,616.20x = 122,775,924.30 × 49,565,575.45
  4. Step 4: Simplify right side
    81,850,616.20x = 6,085,459,339,335,139
  5. Step 5: Solve for x
    x = 6,085,459,339,335,139/81,850,616.20
  6. Step 6: Final answer
    x = 74,348,363.18

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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.