Home / 57,720,443.40-86,580,665.10-52,513,633.80

Finding the Fourth Proportional to 57,720,443.40, 86,580,665.10 and 52,513,633.80

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Solution

The fourth proportional to 57,720,443.40, 86,580,665.10 and 52,513,633.80 is: 78,770,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720,443.40 : 86,580,665.10 = 52,513,633.80 : x
  2. Step 2: Convert to fraction form
    57,720,443.40/86,580,665.10 = 52,513,633.80/x
  3. Step 3: Cross multiply
    57,720,443.40x = 86,580,665.10 × 52,513,633.80
  4. Step 4: Simplify right side
    57,720,443.40x = 4,546,665,341,221,840
  5. Step 5: Solve for x
    x = 4,546,665,341,221,840/57,720,443.40
  6. Step 6: Final answer
    x = 78,770,450.70

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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.