Home / 158,381,391,865.74-218,570,463,158.46-86,127,682,554.75

Finding the Fourth Proportional to 158,381,391,865.74, 218,570,463,158.46 and 86,127,682,554.75

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Solution

The fourth proportional to 158,381,391,865.74, 218,570,463,158.46 and 86,127,682,554.75 is: 118,858,454,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,381,391,865.74 : 218,570,463,158.46 = 86,127,682,554.75 : x
  2. Step 2: Convert to fraction form
    158,381,391,865.74/218,570,463,158.46 = 86,127,682,554.75/x
  3. Step 3: Cross multiply
    158,381,391,865.74x = 218,570,463,158.46 × 86,127,682,554.75
  4. Step 4: Simplify right side
    158,381,391,865.74x = 18,824,967,466,756,522,115,072
  5. Step 5: Solve for x
    x = 18,824,967,466,756,522,115,072/158,381,391,865.74
  6. Step 6: Final answer
    x = 118,858,454,550.74

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1.5x scale

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.