Home / 51,248,644.20-76,872,966.30-47,889,412.20

Finding the Fourth Proportional to 51,248,644.20, 76,872,966.30 and 47,889,412.20

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Solution

The fourth proportional to 51,248,644.20, 76,872,966.30 and 47,889,412.20 is: 71,834,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248,644.20 : 76,872,966.30 = 47,889,412.20 : x
  2. Step 2: Convert to fraction form
    51,248,644.20/76,872,966.30 = 47,889,412.20/x
  3. Step 3: Cross multiply
    51,248,644.20x = 76,872,966.30 × 47,889,412.20
  4. Step 4: Simplify right side
    51,248,644.20x = 3,681,401,170,177,409
  5. Step 5: Solve for x
    x = 3,681,401,170,177,409/51,248,644.20
  6. Step 6: Final answer
    x = 71,834,118.30

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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.