Home / 186,602,859.19-257,480,059.22-108,268,455.79

Finding the Fourth Proportional to 186,602,859.19, 257,480,059.22 and 108,268,455.79

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Solution

The fourth proportional to 186,602,859.19, 257,480,059.22 and 108,268,455.79 is: 149,391,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,602,859.19 : 257,480,059.22 = 108,268,455.79 : x
  2. Step 2: Convert to fraction form
    186,602,859.19/257,480,059.22 = 108,268,455.79/x
  3. Step 3: Cross multiply
    186,602,859.19x = 257,480,059.22 × 108,268,455.79
  4. Step 4: Simplify right side
    186,602,859.19x = 27,876,968,407,688,116
  5. Step 5: Solve for x
    x = 27,876,968,407,688,116/186,602,859.19
  6. Step 6: Final answer
    x = 149,391,968.21

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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.