Home / 158,104,637,338.66-218,184,399,527.34-90,439,227,556.72

Finding the Fourth Proportional to 158,104,637,338.66, 218,184,399,527.34 and 90,439,227,556.72

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Solution

The fourth proportional to 158,104,637,338.66, 218,184,399,527.34 and 90,439,227,556.72 is: 124,806,134,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,104,637,338.66 : 218,184,399,527.34 = 90,439,227,556.72 : x
  2. Step 2: Convert to fraction form
    158,104,637,338.66/218,184,399,527.34 = 90,439,227,556.72/x
  3. Step 3: Cross multiply
    158,104,637,338.66x = 218,184,399,527.34 × 90,439,227,556.72
  4. Step 4: Simplify right side
    158,104,637,338.66x = 19,732,428,558,179,411,951,616
  5. Step 5: Solve for x
    x = 19,732,428,558,179,411,951,616/158,104,637,338.66
  6. Step 6: Final answer
    x = 124,806,134,028.27

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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.