Home / 130,421,189.80-195,655,404.30-65,561,768.20

Finding the Fourth Proportional to 130,421,189.80, 195,655,404.30 and 65,561,768.20

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Solution

The fourth proportional to 130,421,189.80, 195,655,404.30 and 65,561,768.20 is: 98,354,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,421,189.80 : 195,655,404.30 = 65,561,768.20 : x
  2. Step 2: Convert to fraction form
    130,421,189.80/195,655,404.30 = 65,561,768.20/x
  3. Step 3: Cross multiply
    130,421,189.80x = 195,655,404.30 × 65,561,768.20
  4. Step 4: Simplify right side
    130,421,189.80x = 12,827,514,263,793,884
  5. Step 5: Solve for x
    x = 12,827,514,263,793,884/130,421,189.80
  6. Step 6: Final answer
    x = 98,354,525.70

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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.