Home / 158,381,391,861.92-218,570,463,153.12-86,127,682,550.96

Finding the Fourth Proportional to 158,381,391,861.92, 218,570,463,153.12 and 86,127,682,550.96

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Solution

The fourth proportional to 158,381,391,861.92, 218,570,463,153.12 and 86,127,682,550.96 is: 118,858,454,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,381,391,861.92 : 218,570,463,153.12 = 86,127,682,550.96 : x
  2. Step 2: Convert to fraction form
    158,381,391,861.92/218,570,463,153.12 = 86,127,682,550.96/x
  3. Step 3: Cross multiply
    158,381,391,861.92x = 218,570,463,153.12 × 86,127,682,550.96
  4. Step 4: Simplify right side
    158,381,391,861.92x = 18,824,967,465,468,220,669,952
  5. Step 5: Solve for x
    x = 18,824,967,465,468,220,669,952/158,381,391,861.92
  6. Step 6: Final answer
    x = 118,858,454,545.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.