Home / 99,401,918.80-149,014,231.80-38,803,550.80

Finding the Fourth Proportional to 99,401,918.80, 149,014,231.80 and 38,803,550.80

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Solution

The fourth proportional to 99,401,918.80, 149,014,231.80 and 38,803,550.80 is: 58,170,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,401,918.80 : 149,014,231.80 = 38,803,550.80 : x
  2. Step 2: Convert to fraction form
    99,401,918.80/149,014,231.80 = 38,803,550.80/x
  3. Step 3: Cross multiply
    99,401,918.80x = 149,014,231.80 × 38,803,550.80
  4. Step 4: Simplify right side
    99,401,918.80x = 5,782,281,313,574,275
  5. Step 5: Solve for x
    x = 5,782,281,313,574,275/99,401,918.80
  6. Step 6: Final answer
    x = 58,170,721.28

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1.5x scale

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.