Home / 72,741,168.56-109,126,126.90-26,683,465.24

Finding the Fourth Proportional to 72,741,168.56, 109,126,126.90 and 26,683,465.24

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Solution

The fourth proportional to 72,741,168.56, 109,126,126.90 and 26,683,465.24 is: 40,030,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,741,168.56 : 109,126,126.90 = 26,683,465.24 : x
  2. Step 2: Convert to fraction form
    72,741,168.56/109,126,126.90 = 26,683,465.24/x
  3. Step 3: Cross multiply
    72,741,168.56x = 109,126,126.90 × 26,683,465.24
  4. Step 4: Simplify right side
    72,741,168.56x = 2,911,863,213,911,979
  5. Step 5: Solve for x
    x = 2,911,863,213,911,979/72,741,168.56
  6. Step 6: Final answer
    x = 40,030,470.66

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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.