Home / 99,117,806.88-136,786,411.44-67,821,458.88

Finding the Fourth Proportional to 99,117,806.88, 136,786,411.44 and 67,821,458.88

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Solution

The fourth proportional to 99,117,806.88, 136,786,411.44 and 67,821,458.88 is: 93,596,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,117,806.88 : 136,786,411.44 = 67,821,458.88 : x
  2. Step 2: Convert to fraction form
    99,117,806.88/136,786,411.44 = 67,821,458.88/x
  3. Step 3: Cross multiply
    99,117,806.88x = 136,786,411.44 × 67,821,458.88
  4. Step 4: Simplify right side
    99,117,806.88x = 9,277,053,978,820,720
  5. Step 5: Solve for x
    x = 9,277,053,978,820,720/99,117,806.88
  6. Step 6: Final answer
    x = 93,596,239.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.