Home / 186,319,255.41-257,121,626.54-108,049,281.03

Finding the Fourth Proportional to 186,319,255.41, 257,121,626.54 and 108,049,281.03

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Solution

The fourth proportional to 186,319,255.41, 257,121,626.54 and 108,049,281.03 is: 149,108,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,319,255.41 : 257,121,626.54 = 108,049,281.03 : x
  2. Step 2: Convert to fraction form
    186,319,255.41/257,121,626.54 = 108,049,281.03/x
  3. Step 3: Cross multiply
    186,319,255.41x = 257,121,626.54 × 108,049,281.03
  4. Step 4: Simplify right side
    186,319,255.41x = 27,781,806,884,370,920
  5. Step 5: Solve for x
    x = 27,781,806,884,370,920/186,319,255.41
  6. Step 6: Final answer
    x = 149,108,619.09

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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.