Home / 121,641,029.73-182,436,962.72-43,915,574.61

Finding the Fourth Proportional to 121,641,029.73, 182,436,962.72 and 43,915,574.61

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Solution

The fourth proportional to 121,641,029.73, 182,436,962.72 and 43,915,574.61 is: 65,864,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,641,029.73 : 182,436,962.72 = 43,915,574.61 : x
  2. Step 2: Convert to fraction form
    121,641,029.73/182,436,962.72 = 43,915,574.61/x
  3. Step 3: Cross multiply
    121,641,029.73x = 182,436,962.72 × 43,915,574.61
  4. Step 4: Simplify right side
    121,641,029.73x = 8,011,824,047,732,371
  5. Step 5: Solve for x
    x = 8,011,824,047,732,371/121,641,029.73
  6. Step 6: Final answer
    x = 65,864,487.22

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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.