Home / 66,516,059.39-91,125,479.10-64,029,169.75

Finding the Fourth Proportional to 66,516,059.39, 91,125,479.10 and 64,029,169.75

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Solution

The fourth proportional to 66,516,059.39, 91,125,479.10 and 64,029,169.75 is: 87,718,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516,059.39 : 91,125,479.10 = 64,029,169.75 : x
  2. Step 2: Convert to fraction form
    66,516,059.39/91,125,479.10 = 64,029,169.75/x
  3. Step 3: Cross multiply
    66,516,059.39x = 91,125,479.10 × 64,029,169.75
  4. Step 4: Simplify right side
    66,516,059.39x = 5,834,688,769,843,977
  5. Step 5: Solve for x
    x = 5,834,688,769,843,977/66,516,059.39
  6. Step 6: Final answer
    x = 87,718,497.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.