Home / 88,978,678.29-122,785,159.03-49,283,856.09

Finding the Fourth Proportional to 88,978,678.29, 122,785,159.03 and 49,283,856.09

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Solution

The fourth proportional to 88,978,678.29, 122,785,159.03 and 49,283,856.09 is: 68,008,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,978,678.29 : 122,785,159.03 = 49,283,856.09 : x
  2. Step 2: Convert to fraction form
    88,978,678.29/122,785,159.03 = 49,283,856.09/x
  3. Step 3: Cross multiply
    88,978,678.29x = 122,785,159.03 × 49,283,856.09
  4. Step 4: Simplify right side
    88,978,678.29x = 6,051,326,107,499,075
  5. Step 5: Solve for x
    x = 6,051,326,107,499,075/88,978,678.29
  6. Step 6: Final answer
    x = 68,008,721.01

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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.