Home / 90,292,344,115.05-135,349,054,298.55-42,399,620,845.11

Finding the Fourth Proportional to 90,292,344,115.05, 135,349,054,298.55 and 42,399,620,845.11

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Solution

The fourth proportional to 90,292,344,115.05, 135,349,054,298.55 and 42,399,620,845.11 is: 63,557,421,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,292,344,115.05 : 135,349,054,298.55 = 42,399,620,845.11 : x
  2. Step 2: Convert to fraction form
    90,292,344,115.05/135,349,054,298.55 = 42,399,620,845.11/x
  3. Step 3: Cross multiply
    90,292,344,115.05x = 135,349,054,298.55 × 42,399,620,845.11
  4. Step 4: Simplify right side
    90,292,344,115.05x = 5,738,748,584,002,726,133,760
  5. Step 5: Solve for x
    x = 5,738,748,584,002,726,133,760/90,292,344,115.05
  6. Step 6: Final answer
    x = 63,557,421,620.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.