Home / 291,255,830.52-401,934,416.04-159,098,660.52

Finding the Fourth Proportional to 291,255,830.52, 401,934,416.04 and 159,098,660.52

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Solution

The fourth proportional to 291,255,830.52, 401,934,416.04 and 159,098,660.52 is: 219,556,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,830.52 : 401,934,416.04 = 159,098,660.52 : x
  2. Step 2: Convert to fraction form
    291,255,830.52/401,934,416.04 = 159,098,660.52/x
  3. Step 3: Cross multiply
    291,255,830.52x = 401,934,416.04 × 159,098,660.52
  4. Step 4: Simplify right side
    291,255,830.52x = 63,947,227,208,852,408
  5. Step 5: Solve for x
    x = 63,947,227,208,852,408/291,255,830.52
  6. Step 6: Final answer
    x = 219,556,899.84

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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.