Home / 67,712,015.20-101,568,022.80-64,409,000.80

Finding the Fourth Proportional to 67,712,015.20, 101,568,022.80 and 64,409,000.80

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Solution

The fourth proportional to 67,712,015.20, 101,568,022.80 and 64,409,000.80 is: 96,613,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,712,015.20 : 101,568,022.80 = 64,409,000.80 : x
  2. Step 2: Convert to fraction form
    67,712,015.20/101,568,022.80 = 64,409,000.80/x
  3. Step 3: Cross multiply
    67,712,015.20x = 101,568,022.80 × 64,409,000.80
  4. Step 4: Simplify right side
    67,712,015.20x = 6,541,894,861,779,618
  5. Step 5: Solve for x
    x = 6,541,894,861,779,618/67,712,015.20
  6. Step 6: Final answer
    x = 96,613,501.20

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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.