Home / 89,140,149.48-122,968,133.46-58,218,418.92

Finding the Fourth Proportional to 89,140,149.48, 122,968,133.46 and 58,218,418.92

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Solution

The fourth proportional to 89,140,149.48, 122,968,133.46 and 58,218,418.92 is: 80,311,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140,149.48 : 122,968,133.46 = 58,218,418.92 : x
  2. Step 2: Convert to fraction form
    89,140,149.48/122,968,133.46 = 58,218,418.92/x
  3. Step 3: Cross multiply
    89,140,149.48x = 122,968,133.46 × 58,218,418.92
  4. Step 4: Simplify right side
    89,140,149.48x = 7,159,010,307,584,749
  5. Step 5: Solve for x
    x = 7,159,010,307,584,749/89,140,149.48
  6. Step 6: Final answer
    x = 80,311,849.93

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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.