Home / 83,146,609.80-124,719,914.70-52,535,608.20

Finding the Fourth Proportional to 83,146,609.80, 124,719,914.70 and 52,535,608.20

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Solution

The fourth proportional to 83,146,609.80, 124,719,914.70 and 52,535,608.20 is: 78,803,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,146,609.80 : 124,719,914.70 = 52,535,608.20 : x
  2. Step 2: Convert to fraction form
    83,146,609.80/124,719,914.70 = 52,535,608.20/x
  3. Step 3: Cross multiply
    83,146,609.80x = 124,719,914.70 × 52,535,608.20
  4. Step 4: Simplify right side
    83,146,609.80x = 6,552,236,573,416,621
  5. Step 5: Solve for x
    x = 6,552,236,573,416,621/83,146,609.80
  6. Step 6: Final answer
    x = 78,803,412.30

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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.