Home / 219,543,746.16-329,322,442.68-81,403,728.24

Finding the Fourth Proportional to 219,543,746.16, 329,322,442.68 and 81,403,728.24

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Solution

The fourth proportional to 219,543,746.16, 329,322,442.68 and 81,403,728.24 is: 122,108,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543,746.16 : 329,322,442.68 = 81,403,728.24 : x
  2. Step 2: Convert to fraction form
    219,543,746.16/329,322,442.68 = 81,403,728.24/x
  3. Step 3: Cross multiply
    219,543,746.16x = 329,322,442.68 × 81,403,728.24
  4. Step 4: Simplify right side
    219,543,746.16x = 26,808,074,625,715,472
  5. Step 5: Solve for x
    x = 26,808,074,625,715,472/219,543,746.16
  6. Step 6: Final answer
    x = 122,108,122.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.