Home / 165,888,115.20-248,832,172.80-155,802,124.80

Finding the Fourth Proportional to 165,888,115.20, 248,832,172.80 and 155,802,124.80

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Solution

The fourth proportional to 165,888,115.20, 248,832,172.80 and 155,802,124.80 is: 233,703,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,115.20 : 248,832,172.80 = 155,802,124.80 : x
  2. Step 2: Convert to fraction form
    165,888,115.20/248,832,172.80 = 155,802,124.80/x
  3. Step 3: Cross multiply
    165,888,115.20x = 248,832,172.80 × 155,802,124.80
  4. Step 4: Simplify right side
    165,888,115.20x = 38,768,581,240,840,768
  5. Step 5: Solve for x
    x = 38,768,581,240,840,768/165,888,115.20
  6. Step 6: Final answer
    x = 233,703,187.20

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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.