Home / 130,724,206.80-196,086,310.20-86,886,229.20

Finding the Fourth Proportional to 130,724,206.80, 196,086,310.20 and 86,886,229.20

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Solution

The fourth proportional to 130,724,206.80, 196,086,310.20 and 86,886,229.20 is: 130,329,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,724,206.80 : 196,086,310.20 = 86,886,229.20 : x
  2. Step 2: Convert to fraction form
    130,724,206.80/196,086,310.20 = 86,886,229.20/x
  3. Step 3: Cross multiply
    130,724,206.80x = 196,086,310.20 × 86,886,229.20
  4. Step 4: Simplify right side
    130,724,206.80x = 17,037,200,091,019,498
  5. Step 5: Solve for x
    x = 17,037,200,091,019,498/130,724,206.80
  6. Step 6: Final answer
    x = 130,329,343.80

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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.