Home / 121,693,806.30-167,937,600.30-65,939,182.68

Finding the Fourth Proportional to 121,693,806.30, 167,937,600.30 and 65,939,182.68

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Solution

The fourth proportional to 121,693,806.30, 167,937,600.30 and 65,939,182.68 is: 90,996,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,693,806.30 : 167,937,600.30 = 65,939,182.68 : x
  2. Step 2: Convert to fraction form
    121,693,806.30/167,937,600.30 = 65,939,182.68/x
  3. Step 3: Cross multiply
    121,693,806.30x = 167,937,600.30 × 65,939,182.68
  4. Step 4: Simplify right side
    121,693,806.30x = 11,073,668,105,022,524
  5. Step 5: Solve for x
    x = 11,073,668,105,022,524/121,693,806.30
  6. Step 6: Final answer
    x = 90,996,152.08

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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.