Home / 101,222,862.58-151,770,491.79-85,875,526.90

Finding the Fourth Proportional to 101,222,862.58, 151,770,491.79 and 85,875,526.90

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Solution

The fourth proportional to 101,222,862.58, 151,770,491.79 and 85,875,526.90 is: 128,759,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,222,862.58 : 151,770,491.79 = 85,875,526.90 : x
  2. Step 2: Convert to fraction form
    101,222,862.58/151,770,491.79 = 85,875,526.90/x
  3. Step 3: Cross multiply
    101,222,862.58x = 151,770,491.79 × 85,875,526.90
  4. Step 4: Simplify right side
    101,222,862.58x = 13,033,370,950,338,374
  5. Step 5: Solve for x
    x = 13,033,370,950,338,374/101,222,862.58
  6. Step 6: Final answer
    x = 128,759,161.89

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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.