Home / 107,931,996.20-161,842,007.10-39,739,586.60

Finding the Fourth Proportional to 107,931,996.20, 161,842,007.10 and 39,739,586.60

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Solution

The fourth proportional to 107,931,996.20, 161,842,007.10 and 39,739,586.60 is: 59,588,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,931,996.20 : 161,842,007.10 = 39,739,586.60 : x
  2. Step 2: Convert to fraction form
    107,931,996.20/161,842,007.10 = 39,739,586.60/x
  3. Step 3: Cross multiply
    107,931,996.20x = 161,842,007.10 × 39,739,586.60
  4. Step 4: Simplify right side
    107,931,996.20x = 6,431,534,456,668,265
  5. Step 5: Solve for x
    x = 6,431,534,456,668,265/107,931,996.20
  6. Step 6: Final answer
    x = 59,588,765.92

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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.