Home / 54,440,719.80-81,661,079.70-53,181,007.80

Finding the Fourth Proportional to 54,440,719.80, 81,661,079.70 and 53,181,007.80

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Solution

The fourth proportional to 54,440,719.80, 81,661,079.70 and 53,181,007.80 is: 79,771,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440,719.80 : 81,661,079.70 = 53,181,007.80 : x
  2. Step 2: Convert to fraction form
    54,440,719.80/81,661,079.70 = 53,181,007.80/x
  3. Step 3: Cross multiply
    54,440,719.80x = 81,661,079.70 × 53,181,007.80
  4. Step 4: Simplify right side
    54,440,719.80x = 4,342,818,516,482,121.50
  5. Step 5: Solve for x
    x = 4,342,818,516,482,121.50/54,440,719.80
  6. Step 6: Final answer
    x = 79,771,511.70

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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.