Home / 72,587,209.02-100,170,294.03-39,992,161.02

Finding the Fourth Proportional to 72,587,209.02, 100,170,294.03 and 39,992,161.02

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Solution

The fourth proportional to 72,587,209.02, 100,170,294.03 and 39,992,161.02 is: 55,189,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,587,209.02 : 100,170,294.03 = 39,992,161.02 : x
  2. Step 2: Convert to fraction form
    72,587,209.02/100,170,294.03 = 39,992,161.02/x
  3. Step 3: Cross multiply
    72,587,209.02x = 100,170,294.03 × 39,992,161.02
  4. Step 4: Simplify right side
    72,587,209.02x = 4,006,026,528,268,505
  5. Step 5: Solve for x
    x = 4,006,026,528,268,505/72,587,209.02
  6. Step 6: Final answer
    x = 55,189,152.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.