Home / 90,911,373.90-136,367,060.85-63,648,450.60

Finding the Fourth Proportional to 90,911,373.90, 136,367,060.85 and 63,648,450.60

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Solution

The fourth proportional to 90,911,373.90, 136,367,060.85 and 63,648,450.60 is: 95,472,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,911,373.90 : 136,367,060.85 = 63,648,450.60 : x
  2. Step 2: Convert to fraction form
    90,911,373.90/136,367,060.85 = 63,648,450.60/x
  3. Step 3: Cross multiply
    90,911,373.90x = 136,367,060.85 × 63,648,450.60
  4. Step 4: Simplify right side
    90,911,373.90x = 8,679,552,135,978,419
  5. Step 5: Solve for x
    x = 8,679,552,135,978,419/90,911,373.90
  6. Step 6: Final answer
    x = 95,472,675.90

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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.