Home / 85,001,653.80-127,289,904.30-67,995,541.80

Finding the Fourth Proportional to 85,001,653.80, 127,289,904.30 and 67,995,541.80

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Solution

The fourth proportional to 85,001,653.80, 127,289,904.30 and 67,995,541.80 is: 101,823,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,001,653.80 : 127,289,904.30 = 67,995,541.80 : x
  2. Step 2: Convert to fraction form
    85,001,653.80/127,289,904.30 = 67,995,541.80/x
  3. Step 3: Cross multiply
    85,001,653.80x = 127,289,904.30 × 67,995,541.80
  4. Step 4: Simplify right side
    85,001,653.80x = 8,655,146,008,548,649
  5. Step 5: Solve for x
    x = 8,655,146,008,548,649/85,001,653.80
  6. Step 6: Final answer
    x = 101,823,266.04

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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.