Home / 71,547,365.92-107,318,760.64-30,070,216.48

Finding the Fourth Proportional to 71,547,365.92, 107,318,760.64 and 30,070,216.48

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Solution

The fourth proportional to 71,547,365.92, 107,318,760.64 and 30,070,216.48 is: 45,104,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,547,365.92 : 107,318,760.64 = 30,070,216.48 : x
  2. Step 2: Convert to fraction form
    71,547,365.92/107,318,760.64 = 30,070,216.48/x
  3. Step 3: Cross multiply
    71,547,365.92x = 107,318,760.64 × 30,070,216.48
  4. Step 4: Simplify right side
    71,547,365.92x = 3,227,098,364,810,103.50
  5. Step 5: Solve for x
    x = 3,227,098,364,810,103.50/71,547,365.92
  6. Step 6: Final answer
    x = 45,104,363.01

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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.