Home / 114,976,940.70-172,465,411.05-103,639,532.70

Finding the Fourth Proportional to 114,976,940.70, 172,465,411.05 and 103,639,532.70

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Solution

The fourth proportional to 114,976,940.70, 172,465,411.05 and 103,639,532.70 is: 155,459,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,976,940.70 : 172,465,411.05 = 103,639,532.70 : x
  2. Step 2: Convert to fraction form
    114,976,940.70/172,465,411.05 = 103,639,532.70/x
  3. Step 3: Cross multiply
    114,976,940.70x = 172,465,411.05 × 103,639,532.70
  4. Step 4: Simplify right side
    114,976,940.70x = 17,874,234,608,135,418
  5. Step 5: Solve for x
    x = 17,874,234,608,135,418/114,976,940.70
  6. Step 6: Final answer
    x = 155,459,299.05

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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.