Home / 80,025,071.40-110,434,706.82-43,355,641.32

Finding the Fourth Proportional to 80,025,071.40, 110,434,706.82 and 43,355,641.32

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Solution

The fourth proportional to 80,025,071.40, 110,434,706.82 and 43,355,641.32 is: 59,830,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,025,071.40 : 110,434,706.82 = 43,355,641.32 : x
  2. Step 2: Convert to fraction form
    80,025,071.40/110,434,706.82 = 43,355,641.32/x
  3. Step 3: Cross multiply
    80,025,071.40x = 110,434,706.82 × 43,355,641.32
  4. Step 4: Simplify right side
    80,025,071.40x = 4,787,967,538,167,278
  5. Step 5: Solve for x
    x = 4,787,967,538,167,278/80,025,071.40
  6. Step 6: Final answer
    x = 59,830,843.69

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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.