Home / 72,448,314.30-108,798,442.65-38,436,090.30

Finding the Fourth Proportional to 72,448,314.30, 108,798,442.65 and 38,436,090.30

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Solution

The fourth proportional to 72,448,314.30, 108,798,442.65 and 38,436,090.30 is: 57,720,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448,314.30 : 108,798,442.65 = 38,436,090.30 : x
  2. Step 2: Convert to fraction form
    72,448,314.30/108,798,442.65 = 38,436,090.30/x
  3. Step 3: Cross multiply
    72,448,314.30x = 108,798,442.65 × 38,436,090.30
  4. Step 4: Simplify right side
    72,448,314.30x = 4,181,786,766,194,771
  5. Step 5: Solve for x
    x = 4,181,786,766,194,771/72,448,314.30
  6. Step 6: Final answer
    x = 57,720,967.10

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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.