Home / 66,943,906.25-100,370,017.08-34,090,881.21

Finding the Fourth Proportional to 66,943,906.25, 100,370,017.08 and 34,090,881.21

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Solution

The fourth proportional to 66,943,906.25, 100,370,017.08 and 34,090,881.21 is: 51,112,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943,906.25 : 100,370,017.08 = 34,090,881.21 : x
  2. Step 2: Convert to fraction form
    66,943,906.25/100,370,017.08 = 34,090,881.21/x
  3. Step 3: Cross multiply
    66,943,906.25x = 100,370,017.08 × 34,090,881.21
  4. Step 4: Simplify right side
    66,943,906.25x = 3,421,702,329,319,951
  5. Step 5: Solve for x
    x = 3,421,702,329,319,951/66,943,906.25
  6. Step 6: Final answer
    x = 51,112,976.84

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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.