Home / 165,888,100.70-248,832,151.05-155,802,110.30

Finding the Fourth Proportional to 165,888,100.70, 248,832,151.05 and 155,802,110.30

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Solution

The fourth proportional to 165,888,100.70, 248,832,151.05 and 155,802,110.30 is: 233,703,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,100.70 : 248,832,151.05 = 155,802,110.30 : x
  2. Step 2: Convert to fraction form
    165,888,100.70/248,832,151.05 = 155,802,110.30/x
  3. Step 3: Cross multiply
    165,888,100.70x = 248,832,151.05 × 155,802,110.30
  4. Step 4: Simplify right side
    165,888,100.70x = 38,768,574,244,078,368
  5. Step 5: Solve for x
    x = 38,768,574,244,078,368/165,888,100.70
  6. Step 6: Final answer
    x = 233,703,165.45

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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.