Home / 89,448,053.60-134,172,080.40-79,244,386.40

Finding the Fourth Proportional to 89,448,053.60, 134,172,080.40 and 79,244,386.40

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Solution

The fourth proportional to 89,448,053.60, 134,172,080.40 and 79,244,386.40 is: 118,866,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,448,053.60 : 134,172,080.40 = 79,244,386.40 : x
  2. Step 2: Convert to fraction form
    89,448,053.60/134,172,080.40 = 79,244,386.40/x
  3. Step 3: Cross multiply
    89,448,053.60x = 134,172,080.40 × 79,244,386.40
  4. Step 4: Simplify right side
    89,448,053.60x = 10,632,384,183,309,468
  5. Step 5: Solve for x
    x = 10,632,384,183,309,468/89,448,053.60
  6. Step 6: Final answer
    x = 118,866,579.60

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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.