Home / 137,808,774.01-206,743,428.83-40,756,915.18

Finding the Fourth Proportional to 137,808,774.01, 206,743,428.83 and 40,756,915.18

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Solution

The fourth proportional to 137,808,774.01, 206,743,428.83 and 40,756,915.18 is: 61,144,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,808,774.01 : 206,743,428.83 = 40,756,915.18 : x
  2. Step 2: Convert to fraction form
    137,808,774.01/206,743,428.83 = 40,756,915.18/x
  3. Step 3: Cross multiply
    137,808,774.01x = 206,743,428.83 × 40,756,915.18
  4. Step 4: Simplify right side
    137,808,774.01x = 8,426,224,392,846,677
  5. Step 5: Solve for x
    x = 8,426,224,392,846,677/137,808,774.01
  6. Step 6: Final answer
    x = 61,144,324.47

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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.