Home / 66,302,084.73-99,468,512.64-20,862,698.25

Finding the Fourth Proportional to 66,302,084.73, 99,468,512.64 and 20,862,698.25

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Solution

The fourth proportional to 66,302,084.73, 99,468,512.64 and 20,862,698.25 is: 31,298,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302,084.73 : 99,468,512.64 = 20,862,698.25 : x
  2. Step 2: Convert to fraction form
    66,302,084.73/99,468,512.64 = 20,862,698.25/x
  3. Step 3: Cross multiply
    66,302,084.73x = 99,468,512.64 × 20,862,698.25
  4. Step 4: Simplify right side
    66,302,084.73x = 2,075,181,564,584,631
  5. Step 5: Solve for x
    x = 2,075,181,564,584,631/66,302,084.73
  6. Step 6: Final answer
    x = 31,298,888.61

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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.