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Finding the Fourth Proportional to 43,333,978.20, 65,017,556.10 and 42,653,837.40

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Solution

The fourth proportional to 43,333,978.20, 65,017,556.10 and 42,653,837.40 is: 63,997,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333,978.20 : 65,017,556.10 = 42,653,837.40 : x
  2. Step 2: Convert to fraction form
    43,333,978.20/65,017,556.10 = 42,653,837.40/x
  3. Step 3: Cross multiply
    43,333,978.20x = 65,017,556.10 × 42,653,837.40
  4. Step 4: Simplify right side
    43,333,978.20x = 2,773,248,266,034,778
  5. Step 5: Solve for x
    x = 2,773,248,266,034,778/43,333,978.20
  6. Step 6: Final answer
    x = 63,997,084.53

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