Home / 103,719,617.35-155,587,299.23-30,930,716.95

Finding the Fourth Proportional to 103,719,617.35, 155,587,299.23 and 30,930,716.95

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Solution

The fourth proportional to 103,719,617.35, 155,587,299.23 and 30,930,716.95 is: 46,398,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,719,617.35 : 155,587,299.23 = 30,930,716.95 : x
  2. Step 2: Convert to fraction form
    103,719,617.35/155,587,299.23 = 30,930,716.95/x
  3. Step 3: Cross multiply
    103,719,617.35x = 155,587,299.23 × 30,930,716.95
  4. Step 4: Simplify right side
    103,719,617.35x = 4,812,426,713,343,429
  5. Step 5: Solve for x
    x = 4,812,426,713,343,429/103,719,617.35
  6. Step 6: Final answer
    x = 46,398,423.33

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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.