Home / 68,009,960.64-93,853,770.93-38,641,331.78

Finding the Fourth Proportional to 68,009,960.64, 93,853,770.93 and 38,641,331.78

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Solution

The fourth proportional to 68,009,960.64, 93,853,770.93 and 38,641,331.78 is: 53,325,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009,960.64 : 93,853,770.93 = 38,641,331.78 : x
  2. Step 2: Convert to fraction form
    68,009,960.64/93,853,770.93 = 38,641,331.78/x
  3. Step 3: Cross multiply
    68,009,960.64x = 93,853,770.93 × 38,641,331.78
  4. Step 4: Simplify right side
    68,009,960.64x = 3,626,634,701,192,932.50
  5. Step 5: Solve for x
    x = 3,626,634,701,192,932.50/68,009,960.64
  6. Step 6: Final answer
    x = 53,325,052.20

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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.