Home / 88,031,577.18-121,484,016.63-55,011,000.54

Finding the Fourth Proportional to 88,031,577.18, 121,484,016.63 and 55,011,000.54

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Solution

The fourth proportional to 88,031,577.18, 121,484,016.63 and 55,011,000.54 is: 75,915,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031,577.18 : 121,484,016.63 = 55,011,000.54 : x
  2. Step 2: Convert to fraction form
    88,031,577.18/121,484,016.63 = 55,011,000.54/x
  3. Step 3: Cross multiply
    88,031,577.18x = 121,484,016.63 × 55,011,000.54
  4. Step 4: Simplify right side
    88,031,577.18x = 6,682,957,304,434,299
  5. Step 5: Solve for x
    x = 6,682,957,304,434,299/88,031,577.18
  6. Step 6: Final answer
    x = 75,915,455.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.