Home / 115,562,712.14-159,486,631.84-63,361,836.86

Finding the Fourth Proportional to 115,562,712.14, 159,486,631.84 and 63,361,836.86

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Solution

The fourth proportional to 115,562,712.14, 159,486,631.84 and 63,361,836.86 is: 87,444,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,562,712.14 : 159,486,631.84 = 63,361,836.86 : x
  2. Step 2: Convert to fraction form
    115,562,712.14/159,486,631.84 = 63,361,836.86/x
  3. Step 3: Cross multiply
    115,562,712.14x = 159,486,631.84 × 63,361,836.86
  4. Step 4: Simplify right side
    115,562,712.14x = 10,105,365,947,996,962
  5. Step 5: Solve for x
    x = 10,105,365,947,996,962/115,562,712.14
  6. Step 6: Final answer
    x = 87,444,866.61

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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.