Home / 155,032,657,791.24-213,984,874,330.74-100,973,915,943.78

Finding the Fourth Proportional to 155,032,657,791.24, 213,984,874,330.74 and 100,973,915,943.78

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Solution

The fourth proportional to 155,032,657,791.24, 213,984,874,330.74 and 100,973,915,943.78 is: 139,369,930,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,032,657,791.24 : 213,984,874,330.74 = 100,973,915,943.78 : x
  2. Step 2: Convert to fraction form
    155,032,657,791.24/213,984,874,330.74 = 100,973,915,943.78/x
  3. Step 3: Cross multiply
    155,032,657,791.24x = 213,984,874,330.74 × 100,973,915,943.78
  4. Step 4: Simplify right side
    155,032,657,791.24x = 21,606,890,713,912,468,045,824
  5. Step 5: Solve for x
    x = 21,606,890,713,912,468,045,824/155,032,657,791.24
  6. Step 6: Final answer
    x = 139,369,930,321.44

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1.5x scale

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.