Home / 66,502,159.92-91,836,368.64-62,879,110.56

Finding the Fourth Proportional to 66,502,159.92, 91,836,368.64 and 62,879,110.56

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Solution

The fourth proportional to 66,502,159.92, 91,836,368.64 and 62,879,110.56 is: 86,833,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,502,159.92 : 91,836,368.64 = 62,879,110.56 : x
  2. Step 2: Convert to fraction form
    66,502,159.92/91,836,368.64 = 62,879,110.56/x
  3. Step 3: Cross multiply
    66,502,159.92x = 91,836,368.64 × 62,879,110.56
  4. Step 4: Simplify right side
    66,502,159.92x = 5,774,589,177,143,477
  5. Step 5: Solve for x
    x = 5,774,589,177,143,477/66,502,159.92
  6. Step 6: Final answer
    x = 86,833,107.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.