Home / 165,646,151.13-228,601,915.75-91,306,544.01

Finding the Fourth Proportional to 165,646,151.13, 228,601,915.75 and 91,306,544.01

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Solution

The fourth proportional to 165,646,151.13, 228,601,915.75 and 91,306,544.01 is: 126,008,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646,151.13 : 228,601,915.75 = 91,306,544.01 : x
  2. Step 2: Convert to fraction form
    165,646,151.13/228,601,915.75 = 91,306,544.01/x
  3. Step 3: Cross multiply
    165,646,151.13x = 228,601,915.75 × 91,306,544.01
  4. Step 4: Simplify right side
    165,646,151.13x = 20,872,850,881,197,688
  5. Step 5: Solve for x
    x = 20,872,850,881,197,688/165,646,151.13
  6. Step 6: Final answer
    x = 126,008,668.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.