Home / 158,312,696,300.46-218,471,661,670.76-86,054,761,147.78

Finding the Fourth Proportional to 158,312,696,300.46, 218,471,661,670.76 and 86,054,761,147.78

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Solution

The fourth proportional to 158,312,696,300.46, 218,471,661,670.76 and 86,054,761,147.78 is: 118,755,646,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,312,696,300.46 : 218,471,661,670.76 = 86,054,761,147.78 : x
  2. Step 2: Convert to fraction form
    158,312,696,300.46/218,471,661,670.76 = 86,054,761,147.78/x
  3. Step 3: Cross multiply
    158,312,696,300.46x = 218,471,661,670.76 × 86,054,761,147.78
  4. Step 4: Simplify right side
    158,312,696,300.46x = 18,800,526,662,635,855,282,176
  5. Step 5: Solve for x
    x = 18,800,526,662,635,855,282,176/158,312,696,300.46
  6. Step 6: Final answer
    x = 118,755,646,906.26

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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.