Home / 178,975,315.71-247,099,405.95-122,554,466.46

Finding the Fourth Proportional to 178,975,315.71, 247,099,405.95 and 122,554,466.46

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Solution

The fourth proportional to 178,975,315.71, 247,099,405.95 and 122,554,466.46 is: 169,202,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,975,315.71 : 247,099,405.95 = 122,554,466.46 : x
  2. Step 2: Convert to fraction form
    178,975,315.71/247,099,405.95 = 122,554,466.46/x
  3. Step 3: Cross multiply
    178,975,315.71x = 247,099,405.95 × 122,554,466.46
  4. Step 4: Simplify right side
    178,975,315.71x = 30,283,135,858,785,196
  5. Step 5: Solve for x
    x = 30,283,135,858,785,196/178,975,315.71
  6. Step 6: Final answer
    x = 169,202,863.19

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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.