Home / 119,739,200.70-179,608,801.05-74,389,568.70

Finding the Fourth Proportional to 119,739,200.70, 179,608,801.05 and 74,389,568.70

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Solution

The fourth proportional to 119,739,200.70, 179,608,801.05 and 74,389,568.70 is: 111,584,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,739,200.70 : 179,608,801.05 = 74,389,568.70 : x
  2. Step 2: Convert to fraction form
    119,739,200.70/179,608,801.05 = 74,389,568.70/x
  3. Step 3: Cross multiply
    119,739,200.70x = 179,608,801.05 × 74,389,568.70
  4. Step 4: Simplify right side
    119,739,200.70x = 13,361,021,244,833,608
  5. Step 5: Solve for x
    x = 13,361,021,244,833,608/119,739,200.70
  6. Step 6: Final answer
    x = 111,584,353.05

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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.