Home / 80,103,079.72-110,544,423.63-45,300,974.50

Finding the Fourth Proportional to 80,103,079.72, 110,544,423.63 and 45,300,974.50

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Solution

The fourth proportional to 80,103,079.72, 110,544,423.63 and 45,300,974.50 is: 62,516,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,103,079.72 : 110,544,423.63 = 45,300,974.50 : x
  2. Step 2: Convert to fraction form
    80,103,079.72/110,544,423.63 = 45,300,974.50/x
  3. Step 3: Cross multiply
    80,103,079.72x = 110,544,423.63 × 45,300,974.50
  4. Step 4: Simplify right side
    80,103,079.72x = 5,007,770,115,979,827
  5. Step 5: Solve for x
    x = 5,007,770,115,979,827/80,103,079.72
  6. Step 6: Final answer
    x = 62,516,574.06

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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.