Home / 42,722,821.85-58,957,440.87-23,143,791.15

Finding the Fourth Proportional to 42,722,821.85, 58,957,440.87 and 23,143,791.15

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Solution

The fourth proportional to 42,722,821.85, 58,957,440.87 and 23,143,791.15 is: 31,938,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,722,821.85 : 58,957,440.87 = 23,143,791.15 : x
  2. Step 2: Convert to fraction form
    42,722,821.85/58,957,440.87 = 23,143,791.15/x
  3. Step 3: Cross multiply
    42,722,821.85x = 58,957,440.87 × 23,143,791.15
  4. Step 4: Simplify right side
    42,722,821.85x = 1,364,498,698,320,543.50
  5. Step 5: Solve for x
    x = 1,364,498,698,320,543.50/42,722,821.85
  6. Step 6: Final answer
    x = 31,938,402.93

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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.