Home / 168,992,132.79-233,323,020-105,509,221.85

Finding the Fourth Proportional to 168,992,132.79, 233,323,020 and 105,509,221.85

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Solution

The fourth proportional to 168,992,132.79, 233,323,020 and 105,509,221.85 is: 145,673,824.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,992,132.79 : 233,323,020 = 105,509,221.85 : x
  2. Step 2: Convert to fraction form
    168,992,132.79/233,323,020 = 105,509,221.85/x
  3. Step 3: Cross multiply
    168,992,132.79x = 233,323,020 × 105,509,221.85
  4. Step 4: Simplify right side
    168,992,132.79x = 24,617,730,280,475,296
  5. Step 5: Solve for x
    x = 24,617,730,280,475,296/168,992,132.79
  6. Step 6: Final answer
    x = 145,673,824.42

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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.