Home / 70,227,285.12-105,330,284.64-19,113,287.04

Finding the Fourth Proportional to 70,227,285.12, 105,330,284.64 and 19,113,287.04

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Solution

The fourth proportional to 70,227,285.12, 105,330,284.64 and 19,113,287.04 is: 28,667,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227,285.12 : 105,330,284.64 = 19,113,287.04 : x
  2. Step 2: Convert to fraction form
    70,227,285.12/105,330,284.64 = 19,113,287.04/x
  3. Step 3: Cross multiply
    70,227,285.12x = 105,330,284.64 × 19,113,287.04
  4. Step 4: Simplify right side
    70,227,285.12x = 2,013,207,964,329,223
  5. Step 5: Solve for x
    x = 2,013,207,964,329,223/70,227,285.12
  6. Step 6: Final answer
    x = 28,667,033.92

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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.