Home / 211,167,454.37-291,422,508.41-118,377,768.29

Finding the Fourth Proportional to 211,167,454.37, 291,422,508.41 and 118,377,768.29

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Solution

The fourth proportional to 211,167,454.37, 291,422,508.41 and 118,377,768.29 is: 163,367,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,167,454.37 : 291,422,508.41 = 118,377,768.29 : x
  2. Step 2: Convert to fraction form
    211,167,454.37/291,422,508.41 = 118,377,768.29/x
  3. Step 3: Cross multiply
    211,167,454.37x = 291,422,508.41 × 118,377,768.29
  4. Step 4: Simplify right side
    211,167,454.37x = 34,497,946,173,888,388
  5. Step 5: Solve for x
    x = 34,497,946,173,888,388/211,167,454.37
  6. Step 6: Final answer
    x = 163,367,722.92

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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.