Home / 158,381,391,859.36-218,570,463,149.65-86,127,682,548.36

Finding the Fourth Proportional to 158,381,391,859.36, 218,570,463,149.65 and 86,127,682,548.36

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Solution

The fourth proportional to 158,381,391,859.36, 218,570,463,149.65 and 86,127,682,548.36 is: 118,858,454,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,381,391,859.36 : 218,570,463,149.65 = 86,127,682,548.36 : x
  2. Step 2: Convert to fraction form
    158,381,391,859.36/218,570,463,149.65 = 86,127,682,548.36/x
  3. Step 3: Cross multiply
    158,381,391,859.36x = 218,570,463,149.65 × 86,127,682,548.36
  4. Step 4: Simplify right side
    158,381,391,859.36x = 18,824,967,464,601,071,386,624
  5. Step 5: Solve for x
    x = 18,824,967,464,601,071,386,624/158,381,391,859.36
  6. Step 6: Final answer
    x = 118,858,454,541.92

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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.