Home / 79,405,425.60-119,220,112.80-49,172,337.60

Finding the Fourth Proportional to 79,405,425.60, 119,220,112.80 and 49,172,337.60

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Solution

The fourth proportional to 79,405,425.60, 119,220,112.80 and 49,172,337.60 is: 73,827,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,405,425.60 : 119,220,112.80 = 49,172,337.60 : x
  2. Step 2: Convert to fraction form
    79,405,425.60/119,220,112.80 = 49,172,337.60/x
  3. Step 3: Cross multiply
    79,405,425.60x = 119,220,112.80 × 49,172,337.60
  4. Step 4: Simplify right side
    79,405,425.60x = 5,862,331,635,311,681
  5. Step 5: Solve for x
    x = 5,862,331,635,311,681/79,405,425.60
  6. Step 6: Final answer
    x = 73,827,847.29

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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.