Home / 85,025,822.12-127,558,970.84-27,518,093.36

Finding the Fourth Proportional to 85,025,822.12, 127,558,970.84 and 27,518,093.36

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Solution

The fourth proportional to 85,025,822.12, 127,558,970.84 and 27,518,093.36 is: 41,283,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025,822.12 : 127,558,970.84 = 27,518,093.36 : x
  2. Step 2: Convert to fraction form
    85,025,822.12/127,558,970.84 = 27,518,093.36/x
  3. Step 3: Cross multiply
    85,025,822.12x = 127,558,970.84 × 27,518,093.36
  4. Step 4: Simplify right side
    85,025,822.12x = 3,510,179,668,343,047
  5. Step 5: Solve for x
    x = 3,510,179,668,343,047/85,025,822.12
  6. Step 6: Final answer
    x = 41,283,689.83

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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.