Home / 29,112,136.80-43,668,205.20-28,545,266.40

Finding the Fourth Proportional to 29,112,136.80, 43,668,205.20 and 28,545,266.40

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Solution

The fourth proportional to 29,112,136.80, 43,668,205.20 and 28,545,266.40 is: 42,817,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112,136.80 : 43,668,205.20 = 28,545,266.40 : x
  2. Step 2: Convert to fraction form
    29,112,136.80/43,668,205.20 = 28,545,266.40/x
  3. Step 3: Cross multiply
    29,112,136.80x = 43,668,205.20 × 28,545,266.40
  4. Step 4: Simplify right side
    29,112,136.80x = 1,246,520,550,643,865.25
  5. Step 5: Solve for x
    x = 1,246,520,550,643,865.25/29,112,136.80
  6. Step 6: Final answer
    x = 42,817,899.60

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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.