Home / 84,428,901.60-126,643,352.40-44,034,136.80

Finding the Fourth Proportional to 84,428,901.60, 126,643,352.40 and 44,034,136.80

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Solution

The fourth proportional to 84,428,901.60, 126,643,352.40 and 44,034,136.80 is: 66,051,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,428,901.60 : 126,643,352.40 = 44,034,136.80 : x
  2. Step 2: Convert to fraction form
    84,428,901.60/126,643,352.40 = 44,034,136.80/x
  3. Step 3: Cross multiply
    84,428,901.60x = 126,643,352.40 × 44,034,136.80
  4. Step 4: Simplify right side
    84,428,901.60x = 5,576,630,704,392,208
  5. Step 5: Solve for x
    x = 5,576,630,704,392,208/84,428,901.60
  6. Step 6: Final answer
    x = 66,051,205.20

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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.