Home / 205,646,261.60-308,458,527.96-67,453,665.32

Finding the Fourth Proportional to 205,646,261.60, 308,458,527.96 and 67,453,665.32

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Solution

The fourth proportional to 205,646,261.60, 308,458,527.96 and 67,453,665.32 is: 101,176,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,646,261.60 : 308,458,527.96 = 67,453,665.32 : x
  2. Step 2: Convert to fraction form
    205,646,261.60/308,458,527.96 = 67,453,665.32/x
  3. Step 3: Cross multiply
    205,646,261.60x = 308,458,527.96 × 67,453,665.32
  4. Step 4: Simplify right side
    205,646,261.60x = 20,806,658,310,113,700
  5. Step 5: Solve for x
    x = 20,806,658,310,113,700/205,646,261.60
  6. Step 6: Final answer
    x = 101,176,934.35

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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.