Home / 105,358,390.35-158,092,077.60-76,450,562.79

Finding the Fourth Proportional to 105,358,390.35, 158,092,077.60 and 76,450,562.79

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Solution

The fourth proportional to 105,358,390.35, 158,092,077.60 and 76,450,562.79 is: 114,715,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,358,390.35 : 158,092,077.60 = 76,450,562.79 : x
  2. Step 2: Convert to fraction form
    105,358,390.35/158,092,077.60 = 76,450,562.79/x
  3. Step 3: Cross multiply
    105,358,390.35x = 158,092,077.60 × 76,450,562.79
  4. Step 4: Simplify right side
    105,358,390.35x = 12,086,228,305,160,354
  5. Step 5: Solve for x
    x = 12,086,228,305,160,354/105,358,390.35
  6. Step 6: Final answer
    x = 114,715,384.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.