Home / 157,313,564.69-217,093,647.02-91,273,385.43

Finding the Fourth Proportional to 157,313,564.69, 217,093,647.02 and 91,273,385.43

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Solution

The fourth proportional to 157,313,564.69, 217,093,647.02 and 91,273,385.43 is: 125,957,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,313,564.69 : 217,093,647.02 = 91,273,385.43 : x
  2. Step 2: Convert to fraction form
    157,313,564.69/217,093,647.02 = 91,273,385.43/x
  3. Step 3: Cross multiply
    157,313,564.69x = 217,093,647.02 × 91,273,385.43
  4. Step 4: Simplify right side
    157,313,564.69x = 19,814,872,118,404,464
  5. Step 5: Solve for x
    x = 19,814,872,118,404,464/157,313,564.69
  6. Step 6: Final answer
    x = 125,957,810.17

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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.