Home / 145,071,277.76-217,696,131.34-57,617,494.43

Finding the Fourth Proportional to 145,071,277.76, 217,696,131.34 and 57,617,494.43

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Solution

The fourth proportional to 145,071,277.76, 217,696,131.34 and 57,617,494.43 is: 86,461,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,071,277.76 : 217,696,131.34 = 57,617,494.43 : x
  2. Step 2: Convert to fraction form
    145,071,277.76/217,696,131.34 = 57,617,494.43/x
  3. Step 3: Cross multiply
    145,071,277.76x = 217,696,131.34 × 57,617,494.43
  4. Step 4: Simplify right side
    145,071,277.76x = 12,543,105,633,682,474
  5. Step 5: Solve for x
    x = 12,543,105,633,682,474/145,071,277.76
  6. Step 6: Final answer
    x = 86,461,674.75

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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.