Home / 66,943,899.31-100,370,006.80-34,090,874.07

Finding the Fourth Proportional to 66,943,899.31, 100,370,006.80 and 34,090,874.07

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Solution

The fourth proportional to 66,943,899.31, 100,370,006.80 and 34,090,874.07 is: 51,112,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943,899.31 : 100,370,006.80 = 34,090,874.07 : x
  2. Step 2: Convert to fraction form
    66,943,899.31/100,370,006.80 = 34,090,874.07/x
  3. Step 3: Cross multiply
    66,943,899.31x = 100,370,006.80 × 34,090,874.07
  4. Step 4: Simplify right side
    66,943,899.31x = 3,421,701,262,223,843.50
  5. Step 5: Solve for x
    x = 3,421,701,262,223,843.50/66,943,899.31
  6. Step 6: Final answer
    x = 51,112,966.19

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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.