Home / 103,439,145.50-155,159,496.03-45,915,952.22

Finding the Fourth Proportional to 103,439,145.50, 155,159,496.03 and 45,915,952.22

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Solution

The fourth proportional to 103,439,145.50, 155,159,496.03 and 45,915,952.22 is: 68,874,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439,145.50 : 155,159,496.03 = 45,915,952.22 : x
  2. Step 2: Convert to fraction form
    103,439,145.50/155,159,496.03 = 45,915,952.22/x
  3. Step 3: Cross multiply
    103,439,145.50x = 155,159,496.03 × 45,915,952.22
  4. Step 4: Simplify right side
    103,439,145.50x = 7,124,296,006,192,760
  5. Step 5: Solve for x
    x = 7,124,296,006,192,760/103,439,145.50
  6. Step 6: Final answer
    x = 68,874,273.58

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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.