Home / 90,881,821,010.52-125,414,507,196.58-50,784,129,892.44

Finding the Fourth Proportional to 90,881,821,010.52, 125,414,507,196.58 and 50,784,129,892.44

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Solution

The fourth proportional to 90,881,821,010.52, 125,414,507,196.58 and 50,784,129,892.44 is: 70,080,754,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881,821,010.52 : 125,414,507,196.58 = 50,784,129,892.44 : x
  2. Step 2: Convert to fraction form
    90,881,821,010.52/125,414,507,196.58 = 50,784,129,892.44/x
  3. Step 3: Cross multiply
    90,881,821,010.52x = 125,414,507,196.58 × 50,784,129,892.44
  4. Step 4: Simplify right side
    90,881,821,010.52x = 6,369,066,623,867,469,955,072
  5. Step 5: Solve for x
    x = 6,369,066,623,867,469,955,072/90,881,821,010.52
  6. Step 6: Final answer
    x = 70,080,754,908.40

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Double scale
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1.5x scale

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.