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Finding the Fourth Proportional to 168,978,817,985.80, 253,468,226,978.70 and 141,704,415,560.20

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Solution

The fourth proportional to 168,978,817,985.80, 253,468,226,978.70 and 141,704,415,560.20 is: 212,556,623,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978,817,985.80 : 253,468,226,978.70 = 141,704,415,560.20 : x
  2. Step 2: Convert to fraction form
    168,978,817,985.80/253,468,226,978.70 = 141,704,415,560.20/x
  3. Step 3: Cross multiply
    168,978,817,985.80x = 253,468,226,978.70 × 141,704,415,560.20
  4. Step 4: Simplify right side
    168,978,817,985.80x = 35,917,566,967,096,805,425,152
  5. Step 5: Solve for x
    x = 35,917,566,967,096,805,425,152/168,978,817,985.80
  6. Step 6: Final answer
    x = 212,556,623,340.30

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1.5x scale

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