Home / 161,944,772.75-223,483,113.26-87,605,150.04

Finding the Fourth Proportional to 161,944,772.75, 223,483,113.26 and 87,605,150.04

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Solution

The fourth proportional to 161,944,772.75, 223,483,113.26 and 87,605,150.04 is: 120,894,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944,772.75 : 223,483,113.26 = 87,605,150.04 : x
  2. Step 2: Convert to fraction form
    161,944,772.75/223,483,113.26 = 87,605,150.04/x
  3. Step 3: Cross multiply
    161,944,772.75x = 223,483,113.26 × 87,605,150.04
  4. Step 4: Simplify right side
    161,944,772.75x = 19,578,271,667,565,376
  5. Step 5: Solve for x
    x = 19,578,271,667,565,376/161,944,772.75
  6. Step 6: Final answer
    x = 120,894,742.91

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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.