Home / 45,319,627.80-67,979,441.70-39,154,912.20

Finding the Fourth Proportional to 45,319,627.80, 67,979,441.70 and 39,154,912.20

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Solution

The fourth proportional to 45,319,627.80, 67,979,441.70 and 39,154,912.20 is: 58,732,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319,627.80 : 67,979,441.70 = 39,154,912.20 : x
  2. Step 2: Convert to fraction form
    45,319,627.80/67,979,441.70 = 39,154,912.20/x
  3. Step 3: Cross multiply
    45,319,627.80x = 67,979,441.70 × 39,154,912.20
  4. Step 4: Simplify right side
    45,319,627.80x = 2,661,729,071,168,519
  5. Step 5: Solve for x
    x = 2,661,729,071,168,519/45,319,627.80
  6. Step 6: Final answer
    x = 58,732,368.30

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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.