Home / 106,766,438.40-160,149,657.60-88,910,020.80

Finding the Fourth Proportional to 106,766,438.40, 160,149,657.60 and 88,910,020.80

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Solution

The fourth proportional to 106,766,438.40, 160,149,657.60 and 88,910,020.80 is: 133,365,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,766,438.40 : 160,149,657.60 = 88,910,020.80 : x
  2. Step 2: Convert to fraction form
    106,766,438.40/160,149,657.60 = 88,910,020.80/x
  3. Step 3: Cross multiply
    106,766,438.40x = 160,149,657.60 × 88,910,020.80
  4. Step 4: Simplify right side
    106,766,438.40x = 14,238,909,388,328,878
  5. Step 5: Solve for x
    x = 14,238,909,388,328,878/106,766,438.40
  6. Step 6: Final answer
    x = 133,365,031.20

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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.