Home / 310,837,428.73-429,149,239.59-197,870,660.61

Finding the Fourth Proportional to 310,837,428.73, 429,149,239.59 and 197,870,660.61

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Solution

The fourth proportional to 310,837,428.73, 429,149,239.59 and 197,870,660.61 is: 273,184,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,428.73 : 429,149,239.59 = 197,870,660.61 : x
  2. Step 2: Convert to fraction form
    310,837,428.73/429,149,239.59 = 197,870,660.61/x
  3. Step 3: Cross multiply
    310,837,428.73x = 429,149,239.59 × 197,870,660.61
  4. Step 4: Simplify right side
    310,837,428.73x = 84,916,043,537,952,464
  5. Step 5: Solve for x
    x = 84,916,043,537,952,464/310,837,428.73
  6. Step 6: Final answer
    x = 273,184,744.47

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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.