Home / 84,087,638.02-126,195,835.42-38,061,829.22

Finding the Fourth Proportional to 84,087,638.02, 126,195,835.42 and 38,061,829.22

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Solution

The fourth proportional to 84,087,638.02, 126,195,835.42 and 38,061,829.22 is: 57,121,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087,638.02 : 126,195,835.42 = 38,061,829.22 : x
  2. Step 2: Convert to fraction form
    84,087,638.02/126,195,835.42 = 38,061,829.22/x
  3. Step 3: Cross multiply
    84,087,638.02x = 126,195,835.42 × 38,061,829.22
  4. Step 4: Simplify right side
    84,087,638.02x = 4,803,244,336,031,267
  5. Step 5: Solve for x
    x = 4,803,244,336,031,267/84,087,638.02
  6. Step 6: Final answer
    x = 57,121,884.37

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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.