Home / 148,634,672.10-222,952,008.15-66,792,758.10

Finding the Fourth Proportional to 148,634,672.10, 222,952,008.15 and 66,792,758.10

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Solution

The fourth proportional to 148,634,672.10, 222,952,008.15 and 66,792,758.10 is: 100,189,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,634,672.10 : 222,952,008.15 = 66,792,758.10 : x
  2. Step 2: Convert to fraction form
    148,634,672.10/222,952,008.15 = 66,792,758.10/x
  3. Step 3: Cross multiply
    148,634,672.10x = 222,952,008.15 × 66,792,758.10
  4. Step 4: Simplify right side
    148,634,672.10x = 14,891,579,548,272,180
  5. Step 5: Solve for x
    x = 14,891,579,548,272,180/148,634,672.10
  6. Step 6: Final answer
    x = 100,189,137.15

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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.