Home / 143,712,133.60-215,568,200.40-52,823,912.80

Finding the Fourth Proportional to 143,712,133.60, 215,568,200.40 and 52,823,912.80

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Solution

The fourth proportional to 143,712,133.60, 215,568,200.40 and 52,823,912.80 is: 79,235,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,133.60 : 215,568,200.40 = 52,823,912.80 : x
  2. Step 2: Convert to fraction form
    143,712,133.60/215,568,200.40 = 52,823,912.80/x
  3. Step 3: Cross multiply
    143,712,133.60x = 215,568,200.40 × 52,823,912.80
  4. Step 4: Simplify right side
    143,712,133.60x = 11,387,155,820,382,524
  5. Step 5: Solve for x
    x = 11,387,155,820,382,524/143,712,133.60
  6. Step 6: Final answer
    x = 79,235,869.20

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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.