Home / 45,311,821.40-67,967,732.10-12,964,779.20

Finding the Fourth Proportional to 45,311,821.40, 67,967,732.10 and 12,964,779.20

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Solution

The fourth proportional to 45,311,821.40, 67,967,732.10 and 12,964,779.20 is: 19,447,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311,821.40 : 67,967,732.10 = 12,964,779.20 : x
  2. Step 2: Convert to fraction form
    45,311,821.40/67,967,732.10 = 12,964,779.20/x
  3. Step 3: Cross multiply
    45,311,821.40x = 67,967,732.10 × 12,964,779.20
  4. Step 4: Simplify right side
    45,311,821.40x = 881,186,639,401,252.25
  5. Step 5: Solve for x
    x = 881,186,639,401,252.25/45,311,821.40
  6. Step 6: Final answer
    x = 19,447,168.80

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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.