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Finding the Fourth Proportional to 147,391,250.40, 220,750,952.40 and 86,925,074.40

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Solution

The fourth proportional to 147,391,250.40, 220,750,952.40 and 86,925,074.40 is: 130,189,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,391,250.40 : 220,750,952.40 = 86,925,074.40 : x
  2. Step 2: Convert to fraction form
    147,391,250.40/220,750,952.40 = 86,925,074.40/x
  3. Step 3: Cross multiply
    147,391,250.40x = 220,750,952.40 × 86,925,074.40
  4. Step 4: Simplify right side
    147,391,250.40x = 19,188,792,961,240,860
  5. Step 5: Solve for x
    x = 19,188,792,961,240,860/147,391,250.40
  6. Step 6: Final answer
    x = 130,189,498.42

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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.