Home / 66,928,678.24-100,421,394.17-32,410,798.95

Finding the Fourth Proportional to 66,928,678.24, 100,421,394.17 and 32,410,798.95

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Solution

The fourth proportional to 66,928,678.24, 100,421,394.17 and 32,410,798.95 is: 48,629,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928,678.24 : 100,421,394.17 = 32,410,798.95 : x
  2. Step 2: Convert to fraction form
    66,928,678.24/100,421,394.17 = 32,410,798.95/x
  3. Step 3: Cross multiply
    66,928,678.24x = 100,421,394.17 × 32,410,798.95
  4. Step 4: Simplify right side
    66,928,678.24x = 3,254,737,617,210,645.50
  5. Step 5: Solve for x
    x = 3,254,737,617,210,645.50/66,928,678.24
  6. Step 6: Final answer
    x = 48,629,940.15

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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.