Home / 54,377,402.56-81,563,891.81-13,435,810.71

Finding the Fourth Proportional to 54,377,402.56, 81,563,891.81 and 13,435,810.71

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Solution

The fourth proportional to 54,377,402.56, 81,563,891.81 and 13,435,810.71 is: 20,153,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377,402.56 : 81,563,891.81 = 13,435,810.71 : x
  2. Step 2: Convert to fraction form
    54,377,402.56/81,563,891.81 = 13,435,810.71/x
  3. Step 3: Cross multiply
    54,377,402.56x = 81,563,891.81 × 13,435,810.71
  4. Step 4: Simplify right side
    54,377,402.56x = 1,095,877,010,832,612.12
  5. Step 5: Solve for x
    x = 1,095,877,010,832,612.12/54,377,402.56
  6. Step 6: Final answer
    x = 20,153,169.50

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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.