Home / 88,138,172.80-132,313,547.40-49,307,550.40

Finding the Fourth Proportional to 88,138,172.80, 132,313,547.40 and 49,307,550.40

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Solution

The fourth proportional to 88,138,172.80, 132,313,547.40 and 49,307,550.40 is: 74,020,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,172.80 : 132,313,547.40 = 49,307,550.40 : x
  2. Step 2: Convert to fraction form
    88,138,172.80/132,313,547.40 = 49,307,550.40/x
  3. Step 3: Cross multiply
    88,138,172.80x = 132,313,547.40 × 49,307,550.40
  4. Step 4: Simplify right side
    88,138,172.80x = 6,524,056,907,028,289
  5. Step 5: Solve for x
    x = 6,524,056,907,028,289/88,138,172.80
  6. Step 6: Final answer
    x = 74,020,786.91

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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.