Home / 130,408,800.30-195,613,200.45-120,555,053.10

Finding the Fourth Proportional to 130,408,800.30, 195,613,200.45 and 120,555,053.10

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Solution

The fourth proportional to 130,408,800.30, 195,613,200.45 and 120,555,053.10 is: 180,832,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,800.30 : 195,613,200.45 = 120,555,053.10 : x
  2. Step 2: Convert to fraction form
    130,408,800.30/195,613,200.45 = 120,555,053.10/x
  3. Step 3: Cross multiply
    130,408,800.30x = 195,613,200.45 × 120,555,053.10
  4. Step 4: Simplify right side
    130,408,800.30x = 23,582,159,767,310,692
  5. Step 5: Solve for x
    x = 23,582,159,767,310,692/130,408,800.30
  6. Step 6: Final answer
    x = 180,832,579.65

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1.5x scale

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.