Home / 258,292,302.39-356,224,087.14-218,254,447.79

Finding the Fourth Proportional to 258,292,302.39, 356,224,087.14 and 218,254,447.79

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Solution

The fourth proportional to 258,292,302.39, 356,224,087.14 and 218,254,447.79 is: 301,005,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,292,302.39 : 356,224,087.14 = 218,254,447.79 : x
  2. Step 2: Convert to fraction form
    258,292,302.39/356,224,087.14 = 218,254,447.79/x
  3. Step 3: Cross multiply
    258,292,302.39x = 356,224,087.14 × 218,254,447.79
  4. Step 4: Simplify right side
    258,292,302.39x = 77,747,491,426,973,808
  5. Step 5: Solve for x
    x = 77,747,491,426,973,808/258,292,302.39
  6. Step 6: Final answer
    x = 301,005,839.92

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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.