Home / 279,409,897.26-385,606,037.48-161,965,547.82

Finding the Fourth Proportional to 279,409,897.26, 385,606,037.48 and 161,965,547.82

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Solution

The fourth proportional to 279,409,897.26, 385,606,037.48 and 161,965,547.82 is: 223,524,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,409,897.26 : 385,606,037.48 = 161,965,547.82 : x
  2. Step 2: Convert to fraction form
    279,409,897.26/385,606,037.48 = 161,965,547.82/x
  3. Step 3: Cross multiply
    279,409,897.26x = 385,606,037.48 × 161,965,547.82
  4. Step 4: Simplify right side
    279,409,897.26x = 62,454,893,102,337,824
  5. Step 5: Solve for x
    x = 62,454,893,102,337,824/279,409,897.26
  6. Step 6: Final answer
    x = 223,524,269.24

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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.