Home / 88,138,178.80-132,313,556.40-49,307,556.40

Finding the Fourth Proportional to 88,138,178.80, 132,313,556.40 and 49,307,556.40

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Solution

The fourth proportional to 88,138,178.80, 132,313,556.40 and 49,307,556.40 is: 74,020,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,178.80 : 132,313,556.40 = 49,307,556.40 : x
  2. Step 2: Convert to fraction form
    88,138,178.80/132,313,556.40 = 49,307,556.40/x
  3. Step 3: Cross multiply
    88,138,178.80x = 132,313,556.40 × 49,307,556.40
  4. Step 4: Simplify right side
    88,138,178.80x = 6,524,058,144,677,581
  5. Step 5: Solve for x
    x = 6,524,058,144,677,581/88,138,178.80
  6. Step 6: Final answer
    x = 74,020,795.91

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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.