Home / 85,001,661.30-127,289,915.55-67,995,549.30

Finding the Fourth Proportional to 85,001,661.30, 127,289,915.55 and 67,995,549.30

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Solution

The fourth proportional to 85,001,661.30, 127,289,915.55 and 67,995,549.30 is: 101,823,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,001,661.30 : 127,289,915.55 = 67,995,549.30 : x
  2. Step 2: Convert to fraction form
    85,001,661.30/127,289,915.55 = 67,995,549.30/x
  3. Step 3: Cross multiply
    85,001,661.30x = 127,289,915.55 × 67,995,549.30
  4. Step 4: Simplify right side
    85,001,661.30x = 8,655,147,728,172,861
  5. Step 5: Solve for x
    x = 8,655,147,728,172,861/85,001,661.30
  6. Step 6: Final answer
    x = 101,823,277.28

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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.