Home / 131,338,134,391.68-181,241,769,788.64-71,189,812,072.80

Finding the Fourth Proportional to 131,338,134,391.68, 181,241,769,788.64 and 71,189,812,072.80

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Solution

The fourth proportional to 131,338,134,391.68, 181,241,769,788.64 and 71,189,812,072.80 is: 98,239,308,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,338,134,391.68 : 181,241,769,788.64 = 71,189,812,072.80 : x
  2. Step 2: Convert to fraction form
    131,338,134,391.68/181,241,769,788.64 = 71,189,812,072.80/x
  3. Step 3: Cross multiply
    131,338,134,391.68x = 181,241,769,788.64 × 71,189,812,072.80
  4. Step 4: Simplify right side
    131,338,134,391.68x = 12,902,567,530,994,962,792,448
  5. Step 5: Solve for x
    x = 12,902,567,530,994,962,792,448/131,338,134,391.68
  6. Step 6: Final answer
    x = 98,239,308,718.34

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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.