Home / 107,931,995.20-161,842,005.60-39,739,585.60

Finding the Fourth Proportional to 107,931,995.20, 161,842,005.60 and 39,739,585.60

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Solution

The fourth proportional to 107,931,995.20, 161,842,005.60 and 39,739,585.60 is: 59,588,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,931,995.20 : 161,842,005.60 = 39,739,585.60 : x
  2. Step 2: Convert to fraction form
    107,931,995.20/161,842,005.60 = 39,739,585.60/x
  3. Step 3: Cross multiply
    107,931,995.20x = 161,842,005.60 × 39,739,585.60
  4. Step 4: Simplify right side
    107,931,995.20x = 6,431,534,235,216,879
  5. Step 5: Solve for x
    x = 6,431,534,235,216,879/107,931,995.20
  6. Step 6: Final answer
    x = 59,588,764.42

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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.