Home / 99,401,865.30-149,014,151.55-38,803,497.30

Finding the Fourth Proportional to 99,401,865.30, 149,014,151.55 and 38,803,497.30

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Solution

The fourth proportional to 99,401,865.30, 149,014,151.55 and 38,803,497.30 is: 58,170,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,401,865.30 : 149,014,151.55 = 38,803,497.30 : x
  2. Step 2: Convert to fraction form
    99,401,865.30/149,014,151.55 = 38,803,497.30/x
  3. Step 3: Cross multiply
    99,401,865.30x = 149,014,151.55 × 38,803,497.30
  4. Step 4: Simplify right side
    99,401,865.30x = 5,782,270,227,332,216
  5. Step 5: Solve for x
    x = 5,782,270,227,332,216/99,401,865.30
  6. Step 6: Final answer
    x = 58,170,641.06

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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.