Home / 72,741,164.06-109,126,120.15-26,683,460.74

Finding the Fourth Proportional to 72,741,164.06, 109,126,120.15 and 26,683,460.74

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Solution

The fourth proportional to 72,741,164.06, 109,126,120.15 and 26,683,460.74 is: 40,030,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,741,164.06 : 109,126,120.15 = 26,683,460.74 : x
  2. Step 2: Convert to fraction form
    72,741,164.06/109,126,120.15 = 26,683,460.74/x
  3. Step 3: Cross multiply
    72,741,164.06x = 109,126,120.15 × 26,683,460.74
  4. Step 4: Simplify right side
    72,741,164.06x = 2,911,862,542,900,810
  5. Step 5: Solve for x
    x = 2,911,862,542,900,810/72,741,164.06
  6. Step 6: Final answer
    x = 40,030,463.91

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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.