Home / 54,908,121.82-75,779,928.20-31,703,209.82

Finding the Fourth Proportional to 54,908,121.82, 75,779,928.20 and 31,703,209.82

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Solution

The fourth proportional to 54,908,121.82, 75,779,928.20 and 31,703,209.82 is: 43,754,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,908,121.82 : 75,779,928.20 = 31,703,209.82 : x
  2. Step 2: Convert to fraction form
    54,908,121.82/75,779,928.20 = 31,703,209.82/x
  3. Step 3: Cross multiply
    54,908,121.82x = 75,779,928.20 × 31,703,209.82
  4. Step 4: Simplify right side
    54,908,121.82x = 2,402,466,963,869,135
  5. Step 5: Solve for x
    x = 2,402,466,963,869,135/54,908,121.82
  6. Step 6: Final answer
    x = 43,754,309.64

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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.