Home / 103,141,019.46-154,694,711.52-30,340,774.46

Finding the Fourth Proportional to 103,141,019.46, 154,694,711.52 and 30,340,774.46

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Solution

The fourth proportional to 103,141,019.46, 154,694,711.52 and 30,340,774.46 is: 45,506,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,141,019.46 : 154,694,711.52 = 30,340,774.46 : x
  2. Step 2: Convert to fraction form
    103,141,019.46/154,694,711.52 = 30,340,774.46/x
  3. Step 3: Cross multiply
    103,141,019.46x = 154,694,711.52 × 30,340,774.46
  4. Step 4: Simplify right side
    103,141,019.46x = 4,693,557,352,383,084
  5. Step 5: Solve for x
    x = 4,693,557,352,383,084/103,141,019.46
  6. Step 6: Final answer
    x = 45,506,214.47

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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.