Home / 291,255,830.27-401,934,415.70-159,098,660.27

Finding the Fourth Proportional to 291,255,830.27, 401,934,415.70 and 159,098,660.27

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Solution

The fourth proportional to 291,255,830.27, 401,934,415.70 and 159,098,660.27 is: 219,556,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,830.27 : 401,934,415.70 = 159,098,660.27 : x
  2. Step 2: Convert to fraction form
    291,255,830.27/401,934,415.70 = 159,098,660.27/x
  3. Step 3: Cross multiply
    291,255,830.27x = 401,934,415.70 × 159,098,660.27
  4. Step 4: Simplify right side
    291,255,830.27x = 63,947,227,053,479,768
  5. Step 5: Solve for x
    x = 63,947,227,053,479,768/291,255,830.27
  6. Step 6: Final answer
    x = 219,556,899.49

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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.