Home / 56,011,998.17-83,970,073.93-21,493,170.65

Finding the Fourth Proportional to 56,011,998.17, 83,970,073.93 and 21,493,170.65

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Solution

The fourth proportional to 56,011,998.17, 83,970,073.93 and 21,493,170.65 is: 32,221,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011,998.17 : 83,970,073.93 = 21,493,170.65 : x
  2. Step 2: Convert to fraction form
    56,011,998.17/83,970,073.93 = 21,493,170.65/x
  3. Step 3: Cross multiply
    56,011,998.17x = 83,970,073.93 × 21,493,170.65
  4. Step 4: Simplify right side
    56,011,998.17x = 1,804,783,128,667,119.75
  5. Step 5: Solve for x
    x = 1,804,783,128,667,119.75/56,011,998.17
  6. Step 6: Final answer
    x = 32,221,366.63

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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.