Home / 56,667,698.70-84,859,830.45-45,330,290.70

Finding the Fourth Proportional to 56,667,698.70, 84,859,830.45 and 45,330,290.70

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Solution

The fourth proportional to 56,667,698.70, 84,859,830.45 and 45,330,290.70 is: 67,882,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,667,698.70 : 84,859,830.45 = 45,330,290.70 : x
  2. Step 2: Convert to fraction form
    56,667,698.70/84,859,830.45 = 45,330,290.70/x
  3. Step 3: Cross multiply
    56,667,698.70x = 84,859,830.45 × 45,330,290.70
  4. Step 4: Simplify right side
    56,667,698.70x = 3,846,720,783,051,212
  5. Step 5: Solve for x
    x = 3,846,720,783,051,212/56,667,698.70
  6. Step 6: Final answer
    x = 67,882,071.64

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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.