Home / 67,037,760.60-100,547,309.70-21,604,147.80

Finding the Fourth Proportional to 67,037,760.60, 100,547,309.70 and 21,604,147.80

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Solution

The fourth proportional to 67,037,760.60, 100,547,309.70 and 21,604,147.80 is: 32,403,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037,760.60 : 100,547,309.70 = 21,604,147.80 : x
  2. Step 2: Convert to fraction form
    67,037,760.60/100,547,309.70 = 21,604,147.80/x
  3. Step 3: Cross multiply
    67,037,760.60x = 100,547,309.70 × 21,604,147.80
  4. Step 4: Simplify right side
    67,037,760.60x = 2,172,238,939,651,173.75
  5. Step 5: Solve for x
    x = 2,172,238,939,651,173.75/67,037,760.60
  6. Step 6: Final answer
    x = 32,403,214.55

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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.