Home / 78,272,072.32-117,388,706.55-26,455,523.89

Finding the Fourth Proportional to 78,272,072.32, 117,388,706.55 and 26,455,523.89

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Solution

The fourth proportional to 78,272,072.32, 117,388,706.55 and 26,455,523.89 is: 39,676,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,272,072.32 : 117,388,706.55 = 26,455,523.89 : x
  2. Step 2: Convert to fraction form
    78,272,072.32/117,388,706.55 = 26,455,523.89/x
  3. Step 3: Cross multiply
    78,272,072.32x = 117,388,706.55 × 26,455,523.89
  4. Step 4: Simplify right side
    78,272,072.32x = 3,105,579,730,549,724.50
  5. Step 5: Solve for x
    x = 3,105,579,730,549,724.50/78,272,072.32
  6. Step 6: Final answer
    x = 39,676,728.09

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