Home / 329,876,719.80-494,871,066.90-99,843,977.40

Finding the Fourth Proportional to 329,876,719.80, 494,871,066.90 and 99,843,977.40

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Solution

The fourth proportional to 329,876,719.80, 494,871,066.90 and 99,843,977.40 is: 149,782,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,876,719.80 : 494,871,066.90 = 99,843,977.40 : x
  2. Step 2: Convert to fraction form
    329,876,719.80/494,871,066.90 = 99,843,977.40/x
  3. Step 3: Cross multiply
    329,876,719.80x = 494,871,066.90 × 99,843,977.40
  4. Step 4: Simplify right side
    329,876,719.80x = 49,409,895,619,477,488
  5. Step 5: Solve for x
    x = 49,409,895,619,477,488/329,876,719.80
  6. Step 6: Final answer
    x = 149,782,911.78

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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.