Home / 90,881,820,993.52-125,414,507,173.08-50,784,129,875.44

Finding the Fourth Proportional to 90,881,820,993.52, 125,414,507,173.08 and 50,784,129,875.44

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Solution

The fourth proportional to 90,881,820,993.52, 125,414,507,173.08 and 50,784,129,875.44 is: 70,080,754,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881,820,993.52 : 125,414,507,173.08 = 50,784,129,875.44 : x
  2. Step 2: Convert to fraction form
    90,881,820,993.52/125,414,507,173.08 = 50,784,129,875.44/x
  3. Step 3: Cross multiply
    90,881,820,993.52x = 125,414,507,173.08 × 50,784,129,875.44
  4. Step 4: Simplify right side
    90,881,820,993.52x = 6,369,066,620,541,996,105,728
  5. Step 5: Solve for x
    x = 6,369,066,620,541,996,105,728/90,881,820,993.52
  6. Step 6: Final answer
    x = 70,080,754,884.92

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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.