Home / 66,943,897.75-100,370,004.45-34,090,872.51

Finding the Fourth Proportional to 66,943,897.75, 100,370,004.45 and 34,090,872.51

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Solution

The fourth proportional to 66,943,897.75, 100,370,004.45 and 34,090,872.51 is: 51,112,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943,897.75 : 100,370,004.45 = 34,090,872.51 : x
  2. Step 2: Convert to fraction form
    66,943,897.75/100,370,004.45 = 34,090,872.51/x
  3. Step 3: Cross multiply
    66,943,897.75x = 100,370,004.45 × 34,090,872.51
  4. Step 4: Simplify right side
    66,943,897.75x = 3,421,701,025,660,923
  5. Step 5: Solve for x
    x = 3,421,701,025,660,923/66,943,897.75
  6. Step 6: Final answer
    x = 51,112,963.85

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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.