Home / 84,580,329.60-126,870,494.40-52,126,999.20

Finding the Fourth Proportional to 84,580,329.60, 126,870,494.40 and 52,126,999.20

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Solution

The fourth proportional to 84,580,329.60, 126,870,494.40 and 52,126,999.20 is: 78,190,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580,329.60 : 126,870,494.40 = 52,126,999.20 : x
  2. Step 2: Convert to fraction form
    84,580,329.60/126,870,494.40 = 52,126,999.20/x
  3. Step 3: Cross multiply
    84,580,329.60x = 126,870,494.40 × 52,126,999.20
  4. Step 4: Simplify right side
    84,580,329.60x = 6,613,378,160,092,405
  5. Step 5: Solve for x
    x = 6,613,378,160,092,405/84,580,329.60
  6. Step 6: Final answer
    x = 78,190,498.80

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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.