Home / 114,976,948.70-172,465,423.05-103,639,540.70

Finding the Fourth Proportional to 114,976,948.70, 172,465,423.05 and 103,639,540.70

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Solution

The fourth proportional to 114,976,948.70, 172,465,423.05 and 103,639,540.70 is: 155,459,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,976,948.70 : 172,465,423.05 = 103,639,540.70 : x
  2. Step 2: Convert to fraction form
    114,976,948.70/172,465,423.05 = 103,639,540.70/x
  3. Step 3: Cross multiply
    114,976,948.70x = 172,465,423.05 × 103,639,540.70
  4. Step 4: Simplify right side
    114,976,948.70x = 17,874,237,231,533,194
  5. Step 5: Solve for x
    x = 17,874,237,231,533,194/114,976,948.70
  6. Step 6: Final answer
    x = 155,459,311.05

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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.