Home / 122,446,943.65-168,970,404.90-76,036,208.41

Finding the Fourth Proportional to 122,446,943.65, 168,970,404.90 and 76,036,208.41

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Solution

The fourth proportional to 122,446,943.65, 168,970,404.90 and 76,036,208.41 is: 104,926,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,446,943.65 : 168,970,404.90 = 76,036,208.41 : x
  2. Step 2: Convert to fraction form
    122,446,943.65/168,970,404.90 = 76,036,208.41/x
  3. Step 3: Cross multiply
    122,446,943.65x = 168,970,404.90 × 76,036,208.41
  4. Step 4: Simplify right side
    122,446,943.65x = 12,847,868,922,098,486
  5. Step 5: Solve for x
    x = 12,847,868,922,098,486/122,446,943.65
  6. Step 6: Final answer
    x = 104,926,007.45

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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.