Home / 186,602,859.69-257,480,059.91-108,268,456.29

Finding the Fourth Proportional to 186,602,859.69, 257,480,059.91 and 108,268,456.29

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Solution

The fourth proportional to 186,602,859.69, 257,480,059.91 and 108,268,456.29 is: 149,391,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,602,859.69 : 257,480,059.91 = 108,268,456.29 : x
  2. Step 2: Convert to fraction form
    186,602,859.69/257,480,059.91 = 108,268,456.29/x
  3. Step 3: Cross multiply
    186,602,859.69x = 257,480,059.91 × 108,268,456.29
  4. Step 4: Simplify right side
    186,602,859.69x = 27,876,968,611,912,416
  5. Step 5: Solve for x
    x = 27,876,968,611,912,416/186,602,859.69
  6. Step 6: Final answer
    x = 149,391,968.90

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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.