Home / 52,958,852.20-79,438,278.30-20,612,247.40

Finding the Fourth Proportional to 52,958,852.20, 79,438,278.30 and 20,612,247.40

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Solution

The fourth proportional to 52,958,852.20, 79,438,278.30 and 20,612,247.40 is: 30,918,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958,852.20 : 79,438,278.30 = 20,612,247.40 : x
  2. Step 2: Convert to fraction form
    52,958,852.20/79,438,278.30 = 20,612,247.40/x
  3. Step 3: Cross multiply
    52,958,852.20x = 79,438,278.30 × 20,612,247.40
  4. Step 4: Simplify right side
    52,958,852.20x = 1,637,401,445,349,651.25
  5. Step 5: Solve for x
    x = 1,637,401,445,349,651.25/52,958,852.20
  6. Step 6: Final answer
    x = 30,918,371.10

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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.