Home / 86,867,907.60-130,306,785.86-27,785,477.58

Finding the Fourth Proportional to 86,867,907.60, 130,306,785.86 and 27,785,477.58

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Solution

The fourth proportional to 86,867,907.60, 130,306,785.86 and 27,785,477.58 is: 41,679,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,867,907.60 : 130,306,785.86 = 27,785,477.58 : x
  2. Step 2: Convert to fraction form
    86,867,907.60/130,306,785.86 = 27,785,477.58/x
  3. Step 3: Cross multiply
    86,867,907.60x = 130,306,785.86 × 27,785,477.58
  4. Step 4: Simplify right side
    86,867,907.60x = 3,620,636,276,591,005
  5. Step 5: Solve for x
    x = 3,620,636,276,591,005/86,867,907.60
  6. Step 6: Final answer
    x = 41,679,791.50

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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.