Home / 119,740,501.20-179,610,751.80-55,170,419.70

Finding the Fourth Proportional to 119,740,501.20, 179,610,751.80 and 55,170,419.70

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Solution

The fourth proportional to 119,740,501.20, 179,610,751.80 and 55,170,419.70 is: 82,755,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740,501.20 : 179,610,751.80 = 55,170,419.70 : x
  2. Step 2: Convert to fraction form
    119,740,501.20/179,610,751.80 = 55,170,419.70/x
  3. Step 3: Cross multiply
    119,740,501.20x = 179,610,751.80 × 55,170,419.70
  4. Step 4: Simplify right side
    119,740,501.20x = 9,909,200,559,438,532
  5. Step 5: Solve for x
    x = 9,909,200,559,438,532/119,740,501.20
  6. Step 6: Final answer
    x = 82,755,629.55

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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.