Home / 79,680,285.77-119,374,766.69-57,766,392.68

Finding the Fourth Proportional to 79,680,285.77, 119,374,766.69 and 57,766,392.68

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Solution

The fourth proportional to 79,680,285.77, 119,374,766.69 and 57,766,392.68 is: 86,543,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680,285.77 : 119,374,766.69 = 57,766,392.68 : x
  2. Step 2: Convert to fraction form
    79,680,285.77/119,374,766.69 = 57,766,392.68/x
  3. Step 3: Cross multiply
    79,680,285.77x = 119,374,766.69 × 57,766,392.68
  4. Step 4: Simplify right side
    79,680,285.77x = 6,895,849,647,812,218
  5. Step 5: Solve for x
    x = 6,895,849,647,812,218/79,680,285.77
  6. Step 6: Final answer
    x = 86,543,987.41

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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.