Home / 77,653,583.35-107,164,187.36-42,848,515.76

Finding the Fourth Proportional to 77,653,583.35, 107,164,187.36 and 42,848,515.76

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Solution

The fourth proportional to 77,653,583.35, 107,164,187.36 and 42,848,515.76 is: 59,132,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653,583.35 : 107,164,187.36 = 42,848,515.76 : x
  2. Step 2: Convert to fraction form
    77,653,583.35/107,164,187.36 = 42,848,515.76/x
  3. Step 3: Cross multiply
    77,653,583.35x = 107,164,187.36 × 42,848,515.76
  4. Step 4: Simplify right side
    77,653,583.35x = 4,591,826,370,413,172
  5. Step 5: Solve for x
    x = 4,591,826,370,413,172/77,653,583.35
  6. Step 6: Final answer
    x = 59,132,189.04

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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.