Home / 186,788,432.96-257,791,814.56-108,456,391.52

Finding the Fourth Proportional to 186,788,432.96, 257,791,814.56 and 108,456,391.52

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Solution

The fourth proportional to 186,788,432.96, 257,791,814.56 and 108,456,391.52 is: 149,683,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,788,432.96 : 257,791,814.56 = 108,456,391.52 : x
  2. Step 2: Convert to fraction form
    186,788,432.96/257,791,814.56 = 108,456,391.52/x
  3. Step 3: Cross multiply
    186,788,432.96x = 257,791,814.56 × 108,456,391.52
  4. Step 4: Simplify right side
    186,788,432.96x = 27,959,169,970,570,596
  5. Step 5: Solve for x
    x = 27,959,169,970,570,596/186,788,432.96
  6. Step 6: Final answer
    x = 149,683,626.16

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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.