Home / 102,955,399.20-154,453,834.80-30,172,039.20

Finding the Fourth Proportional to 102,955,399.20, 154,453,834.80 and 30,172,039.20

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Solution

The fourth proportional to 102,955,399.20, 154,453,834.80 and 30,172,039.20 is: 45,264,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,955,399.20 : 154,453,834.80 = 30,172,039.20 : x
  2. Step 2: Convert to fraction form
    102,955,399.20/154,453,834.80 = 30,172,039.20/x
  3. Step 3: Cross multiply
    102,955,399.20x = 154,453,834.80 × 30,172,039.20
  4. Step 4: Simplify right side
    102,955,399.20x = 4,660,187,158,175,924
  5. Step 5: Solve for x
    x = 4,660,187,158,175,924/102,955,399.20
  6. Step 6: Final answer
    x = 45,264,135.68

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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.