Home / 90,255,769,882.34-124,551,286,832.19-49,609,812,439.08

Finding the Fourth Proportional to 90,255,769,882.34, 124,551,286,832.19 and 49,609,812,439.08

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Solution

The fourth proportional to 90,255,769,882.34, 124,551,286,832.19 and 49,609,812,439.08 is: 68,460,620,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,255,769,882.34 : 124,551,286,832.19 = 49,609,812,439.08 : x
  2. Step 2: Convert to fraction form
    90,255,769,882.34/124,551,286,832.19 = 49,609,812,439.08/x
  3. Step 3: Cross multiply
    90,255,769,882.34x = 124,551,286,832.19 × 49,609,812,439.08
  4. Step 4: Simplify right side
    90,255,769,882.34x = 6,178,965,978,790,501,548,032
  5. Step 5: Solve for x
    x = 6,178,965,978,790,501,548,032/90,255,769,882.34
  6. Step 6: Final answer
    x = 68,460,620,155.87

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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.