Home / 161,667,896.02-223,101,778.01-87,328,452.71

Finding the Fourth Proportional to 161,667,896.02, 223,101,778.01 and 87,328,452.71

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Solution

The fourth proportional to 161,667,896.02, 223,101,778.01 and 87,328,452.71 is: 120,513,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,667,896.02 : 223,101,778.01 = 87,328,452.71 : x
  2. Step 2: Convert to fraction form
    161,667,896.02/223,101,778.01 = 87,328,452.71/x
  3. Step 3: Cross multiply
    161,667,896.02x = 223,101,778.01 × 87,328,452.71
  4. Step 4: Simplify right side
    161,667,896.02x = 19,483,133,070,584,316
  5. Step 5: Solve for x
    x = 19,483,133,070,584,316/161,667,896.02
  6. Step 6: Final answer
    x = 120,513,308.77

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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.