Home / 217,219,373.40-325,829,060.10-148,344,619.80

Finding the Fourth Proportional to 217,219,373.40, 325,829,060.10 and 148,344,619.80

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Solution

The fourth proportional to 217,219,373.40, 325,829,060.10 and 148,344,619.80 is: 222,516,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,219,373.40 : 325,829,060.10 = 148,344,619.80 : x
  2. Step 2: Convert to fraction form
    217,219,373.40/325,829,060.10 = 148,344,619.80/x
  3. Step 3: Cross multiply
    217,219,373.40x = 325,829,060.10 × 148,344,619.80
  4. Step 4: Simplify right side
    217,219,373.40x = 48,334,988,040,325,856
  5. Step 5: Solve for x
    x = 48,334,988,040,325,856/217,219,373.40
  6. Step 6: Final answer
    x = 222,516,929.70

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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.