Home / 45,311,820.40-67,967,730.60-12,964,778.20

Finding the Fourth Proportional to 45,311,820.40, 67,967,730.60 and 12,964,778.20

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Solution

The fourth proportional to 45,311,820.40, 67,967,730.60 and 12,964,778.20 is: 19,447,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311,820.40 : 67,967,730.60 = 12,964,778.20 : x
  2. Step 2: Convert to fraction form
    45,311,820.40/67,967,730.60 = 12,964,778.20/x
  3. Step 3: Cross multiply
    45,311,820.40x = 67,967,730.60 × 12,964,778.20
  4. Step 4: Simplify right side
    45,311,820.40x = 881,186,551,986,352.75
  5. Step 5: Solve for x
    x = 881,186,551,986,352.75/45,311,820.40
  6. Step 6: Final answer
    x = 19,447,167.30

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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.