Home / 145,253,622.59-217,751,431.73-56,601,667.21

Finding the Fourth Proportional to 145,253,622.59, 217,751,431.73 and 56,601,667.21

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Solution

The fourth proportional to 145,253,622.59, 217,751,431.73 and 56,601,667.21 is: 84,852,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,253,622.59 : 217,751,431.73 = 56,601,667.21 : x
  2. Step 2: Convert to fraction form
    145,253,622.59/217,751,431.73 = 56,601,667.21/x
  3. Step 3: Cross multiply
    145,253,622.59x = 217,751,431.73 × 56,601,667.21
  4. Step 4: Simplify right side
    145,253,622.59x = 12,325,094,073,282,494
  5. Step 5: Solve for x
    x = 12,325,094,073,282,494/145,253,622.59
  6. Step 6: Final answer
    x = 84,852,231.93

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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.