Home / 132,860,292.40-199,290,438.60-120,743,437.60

Finding the Fourth Proportional to 132,860,292.40, 199,290,438.60 and 120,743,437.60

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Solution

The fourth proportional to 132,860,292.40, 199,290,438.60 and 120,743,437.60 is: 181,115,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,292.40 : 199,290,438.60 = 120,743,437.60 : x
  2. Step 2: Convert to fraction form
    132,860,292.40/199,290,438.60 = 120,743,437.60/x
  3. Step 3: Cross multiply
    132,860,292.40x = 199,290,438.60 × 120,743,437.60
  4. Step 4: Simplify right side
    132,860,292.40x = 24,063,012,637,375,728
  5. Step 5: Solve for x
    x = 24,063,012,637,375,728/132,860,292.40
  6. Step 6: Final answer
    x = 181,115,156.40

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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.