Home / 99,401,851.80-149,014,131.30-38,803,483.80

Finding the Fourth Proportional to 99,401,851.80, 149,014,131.30 and 38,803,483.80

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Solution

The fourth proportional to 99,401,851.80, 149,014,131.30 and 38,803,483.80 is: 58,170,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,401,851.80 : 149,014,131.30 = 38,803,483.80 : x
  2. Step 2: Convert to fraction form
    99,401,851.80/149,014,131.30 = 38,803,483.80/x
  3. Step 3: Cross multiply
    99,401,851.80x = 149,014,131.30 × 38,803,483.80
  4. Step 4: Simplify right side
    99,401,851.80x = 5,782,267,429,870,623
  5. Step 5: Solve for x
    x = 5,782,267,429,870,623/99,401,851.80
  6. Step 6: Final answer
    x = 58,170,620.82

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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.