Home / 72,008,551.49-108,013,107.46-17,421,049.42

Finding the Fourth Proportional to 72,008,551.49, 108,013,107.46 and 17,421,049.42

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Solution

The fourth proportional to 72,008,551.49, 108,013,107.46 and 17,421,049.42 is: 26,131,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,008,551.49 : 108,013,107.46 = 17,421,049.42 : x
  2. Step 2: Convert to fraction form
    72,008,551.49/108,013,107.46 = 17,421,049.42/x
  3. Step 3: Cross multiply
    72,008,551.49x = 108,013,107.46 × 17,421,049.42
  4. Step 4: Simplify right side
    72,008,551.49x = 1,881,701,683,255,391
  5. Step 5: Solve for x
    x = 1,881,701,683,255,391/72,008,551.49
  6. Step 6: Final answer
    x = 26,131,641.93

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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.