Home / 85,001,530.80-127,289,719.80-67,995,418.80

Finding the Fourth Proportional to 85,001,530.80, 127,289,719.80 and 67,995,418.80

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Solution

The fourth proportional to 85,001,530.80, 127,289,719.80 and 67,995,418.80 is: 101,823,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,001,530.80 : 127,289,719.80 = 67,995,418.80 : x
  2. Step 2: Convert to fraction form
    85,001,530.80/127,289,719.80 = 67,995,418.80/x
  3. Step 3: Cross multiply
    85,001,530.80x = 127,289,719.80 × 67,995,418.80
  4. Step 4: Simplify right side
    85,001,530.80x = 8,655,117,806,735,652
  5. Step 5: Solve for x
    x = 8,655,117,806,735,652/85,001,530.80
  6. Step 6: Final answer
    x = 101,823,081.60

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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.