Home / 238,876,366,995.90-358,312,096,351.80-138,083,100,359.40

Finding the Fourth Proportional to 238,876,366,995.90, 358,312,096,351.80 and 138,083,100,359.40

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Solution

The fourth proportional to 238,876,366,995.90, 358,312,096,351.80 and 138,083,100,359.40 is: 207,123,231,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,876,366,995.90 : 358,312,096,351.80 = 138,083,100,359.40 : x
  2. Step 2: Convert to fraction form
    238,876,366,995.90/358,312,096,351.80 = 138,083,100,359.40/x
  3. Step 3: Cross multiply
    238,876,366,995.90x = 358,312,096,351.80 × 138,083,100,359.40
  4. Step 4: Simplify right side
    238,876,366,995.90x = 49,476,845,160,532,602,257,408
  5. Step 5: Solve for x
    x = 49,476,845,160,532,602,257,408/238,876,366,995.90
  6. Step 6: Final answer
    x = 207,123,231,915.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.