Home / 205,377,619.13-308,068,795.26-74,229,854.71

Finding the Fourth Proportional to 205,377,619.13, 308,068,795.26 and 74,229,854.71

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Solution

The fourth proportional to 205,377,619.13, 308,068,795.26 and 74,229,854.71 is: 111,345,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,377,619.13 : 308,068,795.26 = 74,229,854.71 : x
  2. Step 2: Convert to fraction form
    205,377,619.13/308,068,795.26 = 74,229,854.71/x
  3. Step 3: Cross multiply
    205,377,619.13x = 308,068,795.26 × 74,229,854.71
  4. Step 4: Simplify right side
    205,377,619.13x = 22,867,901,912,064,364
  5. Step 5: Solve for x
    x = 22,867,901,912,064,364/205,377,619.13
  6. Step 6: Final answer
    x = 111,345,637.41

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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.