Home / 114,976,940.20-172,465,410.30-103,639,532.20

Finding the Fourth Proportional to 114,976,940.20, 172,465,410.30 and 103,639,532.20

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Solution

The fourth proportional to 114,976,940.20, 172,465,410.30 and 103,639,532.20 is: 155,459,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,976,940.20 : 172,465,410.30 = 103,639,532.20 : x
  2. Step 2: Convert to fraction form
    114,976,940.20/172,465,410.30 = 103,639,532.20/x
  3. Step 3: Cross multiply
    114,976,940.20x = 172,465,410.30 × 103,639,532.20
  4. Step 4: Simplify right side
    114,976,940.20x = 17,874,234,444,173,064
  5. Step 5: Solve for x
    x = 17,874,234,444,173,064/114,976,940.20
  6. Step 6: Final answer
    x = 155,459,298.30

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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.