Home / 120,972,459.20-181,437,693.60-44,255,998.40

Finding the Fourth Proportional to 120,972,459.20, 181,437,693.60 and 44,255,998.40

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Solution

The fourth proportional to 120,972,459.20, 181,437,693.60 and 44,255,998.40 is: 66,376,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,972,459.20 : 181,437,693.60 = 44,255,998.40 : x
  2. Step 2: Convert to fraction form
    120,972,459.20/181,437,693.60 = 44,255,998.40/x
  3. Step 3: Cross multiply
    120,972,459.20x = 181,437,693.60 × 44,255,998.40
  4. Step 4: Simplify right side
    120,972,459.20x = 8,029,706,277,661,290
  5. Step 5: Solve for x
    x = 8,029,706,277,661,290/120,972,459.20
  6. Step 6: Final answer
    x = 66,376,316.81

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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.