Home / 130,421,196.80-195,655,414.80-65,561,775.20

Finding the Fourth Proportional to 130,421,196.80, 195,655,414.80 and 65,561,775.20

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Solution

The fourth proportional to 130,421,196.80, 195,655,414.80 and 65,561,775.20 is: 98,354,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,421,196.80 : 195,655,414.80 = 65,561,775.20 : x
  2. Step 2: Convert to fraction form
    130,421,196.80/195,655,414.80 = 65,561,775.20/x
  3. Step 3: Cross multiply
    130,421,196.80x = 195,655,414.80 × 65,561,775.20
  4. Step 4: Simplify right side
    130,421,196.80x = 12,827,516,321,780,354
  5. Step 5: Solve for x
    x = 12,827,516,321,780,354/130,421,196.80
  6. Step 6: Final answer
    x = 98,354,536.20

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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.