Home / 209,320,426.24-313,989,296.80-61,767,988

Finding the Fourth Proportional to 209,320,426.24, 313,989,296.80 and 61,767,988

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Solution

The fourth proportional to 209,320,426.24, 313,989,296.80 and 61,767,988 is: 92,654,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,320,426.24 : 313,989,296.80 = 61,767,988 : x
  2. Step 2: Convert to fraction form
    209,320,426.24/313,989,296.80 = 61,767,988/x
  3. Step 3: Cross multiply
    209,320,426.24x = 313,989,296.80 × 61,767,988
  4. Step 4: Simplify right side
    209,320,426.24x = 19,394,487,116,870,840
  5. Step 5: Solve for x
    x = 19,394,487,116,870,840/209,320,426.24
  6. Step 6: Final answer
    x = 92,654,536.71

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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.