Home / 255,732,962.40-383,540,799.96-71,513,384.52

Finding the Fourth Proportional to 255,732,962.40, 383,540,799.96 and 71,513,384.52

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Solution

The fourth proportional to 255,732,962.40, 383,540,799.96 and 71,513,384.52 is: 107,253,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,732,962.40 : 383,540,799.96 = 71,513,384.52 : x
  2. Step 2: Convert to fraction form
    255,732,962.40/383,540,799.96 = 71,513,384.52/x
  3. Step 3: Cross multiply
    255,732,962.40x = 383,540,799.96 × 71,513,384.52
  4. Step 4: Simplify right side
    255,732,962.40x = 27,428,300,706,647,876
  5. Step 5: Solve for x
    x = 27,428,300,706,647,876/255,732,962.40
  6. Step 6: Final answer
    x = 107,253,677.62

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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.