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Finding the Fourth Proportional to 86,948,999.70, 130,423,499.55 and 82,697,471.70

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Solution

The fourth proportional to 86,948,999.70, 130,423,499.55 and 82,697,471.70 is: 124,046,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948,999.70 : 130,423,499.55 = 82,697,471.70 : x
  2. Step 2: Convert to fraction form
    86,948,999.70/130,423,499.55 = 82,697,471.70/x
  3. Step 3: Cross multiply
    86,948,999.70x = 130,423,499.55 × 82,697,471.70
  4. Step 4: Simplify right side
    86,948,999.70x = 10,785,693,663,051,088
  5. Step 5: Solve for x
    x = 10,785,693,663,051,088/86,948,999.70
  6. Step 6: Final answer
    x = 124,046,207.55

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