Home / 201,643,440.80-302,465,161.20-99,456,432.80

Finding the Fourth Proportional to 201,643,440.80, 302,465,161.20 and 99,456,432.80

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Solution

The fourth proportional to 201,643,440.80, 302,465,161.20 and 99,456,432.80 is: 149,184,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,643,440.80 : 302,465,161.20 = 99,456,432.80 : x
  2. Step 2: Convert to fraction form
    201,643,440.80/302,465,161.20 = 99,456,432.80/x
  3. Step 3: Cross multiply
    201,643,440.80x = 302,465,161.20 × 99,456,432.80
  4. Step 4: Simplify right side
    201,643,440.80x = 30,082,105,979,228,964
  5. Step 5: Solve for x
    x = 30,082,105,979,228,964/201,643,440.80
  6. Step 6: Final answer
    x = 149,184,649.20

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Similar ratio
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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.