Home / 45,353,719.80-68,030,579.70-18,446,686.20

Finding the Fourth Proportional to 45,353,719.80, 68,030,579.70 and 18,446,686.20

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Solution

The fourth proportional to 45,353,719.80, 68,030,579.70 and 18,446,686.20 is: 27,670,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353,719.80 : 68,030,579.70 = 18,446,686.20 : x
  2. Step 2: Convert to fraction form
    45,353,719.80/68,030,579.70 = 18,446,686.20/x
  3. Step 3: Cross multiply
    45,353,719.80x = 68,030,579.70 × 18,446,686.20
  4. Step 4: Simplify right side
    45,353,719.80x = 1,254,938,755,729,990.25
  5. Step 5: Solve for x
    x = 1,254,938,755,729,990.25/45,353,719.80
  6. Step 6: Final answer
    x = 27,670,029.30

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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.