Home / 83,146,769.80-124,720,154.70-52,535,768.20

Finding the Fourth Proportional to 83,146,769.80, 124,720,154.70 and 52,535,768.20

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Solution

The fourth proportional to 83,146,769.80, 124,720,154.70 and 52,535,768.20 is: 78,803,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,146,769.80 : 124,720,154.70 = 52,535,768.20 : x
  2. Step 2: Convert to fraction form
    83,146,769.80/124,720,154.70 = 52,535,768.20/x
  3. Step 3: Cross multiply
    83,146,769.80x = 124,720,154.70 × 52,535,768.20
  4. Step 4: Simplify right side
    83,146,769.80x = 6,552,269,137,187,341
  5. Step 5: Solve for x
    x = 6,552,269,137,187,341/83,146,769.80
  6. Step 6: Final answer
    x = 78,803,652.30

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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.