Home / 122,339,772.92-168,830,266.70-66,585,550.27

Finding the Fourth Proportional to 122,339,772.92, 168,830,266.70 and 66,585,550.27

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Solution

The fourth proportional to 122,339,772.92, 168,830,266.70 and 66,585,550.27 is: 91,888,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,339,772.92 : 168,830,266.70 = 66,585,550.27 : x
  2. Step 2: Convert to fraction form
    122,339,772.92/168,830,266.70 = 66,585,550.27/x
  3. Step 3: Cross multiply
    122,339,772.92x = 168,830,266.70 × 66,585,550.27
  4. Step 4: Simplify right side
    122,339,772.92x = 11,241,656,210,194,744
  5. Step 5: Solve for x
    x = 11,241,656,210,194,744/122,339,772.92
  6. Step 6: Final answer
    x = 91,888,810.50

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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.