Home / 85,121,675.28-127,700,456.04-27,609,472.08

Finding the Fourth Proportional to 85,121,675.28, 127,700,456.04 and 27,609,472.08

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Solution

The fourth proportional to 85,121,675.28, 127,700,456.04 and 27,609,472.08 is: 41,420,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,121,675.28 : 127,700,456.04 = 27,609,472.08 : x
  2. Step 2: Convert to fraction form
    85,121,675.28/127,700,456.04 = 27,609,472.08/x
  3. Step 3: Cross multiply
    85,121,675.28x = 127,700,456.04 × 27,609,472.08
  4. Step 4: Simplify right side
    85,121,675.28x = 3,525,742,175,639,647.50
  5. Step 5: Solve for x
    x = 3,525,742,175,639,647.50/85,121,675.28
  6. Step 6: Final answer
    x = 41,420,028.03

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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.