Home / 71,772,922.40-107,531,079.60-43,678,234.40

Finding the Fourth Proportional to 71,772,922.40, 107,531,079.60 and 43,678,234.40

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Solution

The fourth proportional to 71,772,922.40, 107,531,079.60 and 43,678,234.40 is: 65,439,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,772,922.40 : 107,531,079.60 = 43,678,234.40 : x
  2. Step 2: Convert to fraction form
    71,772,922.40/107,531,079.60 = 43,678,234.40/x
  3. Step 3: Cross multiply
    71,772,922.40x = 107,531,079.60 × 43,678,234.40
  4. Step 4: Simplify right side
    71,772,922.40x = 4,696,767,700,053,858
  5. Step 5: Solve for x
    x = 4,696,767,700,053,858/71,772,922.40
  6. Step 6: Final answer
    x = 65,439,270.73

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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.