Home / 107,907,678.72-148,912,491.06-58,347,934.02

Finding the Fourth Proportional to 107,907,678.72, 148,912,491.06 and 58,347,934.02

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Solution

The fourth proportional to 107,907,678.72, 148,912,491.06 and 58,347,934.02 is: 80,520,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,907,678.72 : 148,912,491.06 = 58,347,934.02 : x
  2. Step 2: Convert to fraction form
    107,907,678.72/148,912,491.06 = 58,347,934.02/x
  3. Step 3: Cross multiply
    107,907,678.72x = 148,912,491.06 × 58,347,934.02
  4. Step 4: Simplify right side
    107,907,678.72x = 8,688,736,203,122,720
  5. Step 5: Solve for x
    x = 8,688,736,203,122,720/107,907,678.72
  6. Step 6: Final answer
    x = 80,520,091.86

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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.