Home / 121,424,695.48-167,566,079.80-65,670,115.50

Finding the Fourth Proportional to 121,424,695.48, 167,566,079.80 and 65,670,115.50

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Solution

The fourth proportional to 121,424,695.48, 167,566,079.80 and 65,670,115.50 is: 90,624,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424,695.48 : 167,566,079.80 = 65,670,115.50 : x
  2. Step 2: Convert to fraction form
    121,424,695.48/167,566,079.80 = 65,670,115.50/x
  3. Step 3: Cross multiply
    121,424,695.48x = 167,566,079.80 × 65,670,115.50
  4. Step 4: Simplify right side
    121,424,695.48x = 11,004,083,814,859,636
  5. Step 5: Solve for x
    x = 11,004,083,814,859,636/121,424,695.48
  6. Step 6: Final answer
    x = 90,624,759.42

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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.