Home / 84,038,515.60-125,987,789.40-35,553,600.40

Finding the Fourth Proportional to 84,038,515.60, 125,987,789.40 and 35,553,600.40

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Solution

The fourth proportional to 84,038,515.60, 125,987,789.40 and 35,553,600.40 is: 53,300,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,038,515.60 : 125,987,789.40 = 35,553,600.40 : x
  2. Step 2: Convert to fraction form
    84,038,515.60/125,987,789.40 = 35,553,600.40/x
  3. Step 3: Cross multiply
    84,038,515.60x = 125,987,789.40 × 35,553,600.40
  4. Step 4: Simplify right side
    84,038,515.60x = 4,479,319,519,606,956
  5. Step 5: Solve for x
    x = 4,479,319,519,606,956/84,038,515.60
  6. Step 6: Final answer
    x = 53,300,792.95

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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.