Home / 165,888,139.20-248,832,208.80-155,802,148.80

Finding the Fourth Proportional to 165,888,139.20, 248,832,208.80 and 155,802,148.80

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Solution

The fourth proportional to 165,888,139.20, 248,832,208.80 and 155,802,148.80 is: 233,703,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,139.20 : 248,832,208.80 = 155,802,148.80 : x
  2. Step 2: Convert to fraction form
    165,888,139.20/248,832,208.80 = 155,802,148.80/x
  3. Step 3: Cross multiply
    165,888,139.20x = 248,832,208.80 × 155,802,148.80
  4. Step 4: Simplify right side
    165,888,139.20x = 38,768,592,821,690,272
  5. Step 5: Solve for x
    x = 38,768,592,821,690,272/165,888,139.20
  6. Step 6: Final answer
    x = 233,703,223.20

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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.