Home / 304,909,819.56-420,774,634.98-165,681,006.12

Finding the Fourth Proportional to 304,909,819.56, 420,774,634.98 and 165,681,006.12

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Solution

The fourth proportional to 304,909,819.56, 420,774,634.98 and 165,681,006.12 is: 228,639,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,909,819.56 : 420,774,634.98 = 165,681,006.12 : x
  2. Step 2: Convert to fraction form
    304,909,819.56/420,774,634.98 = 165,681,006.12/x
  3. Step 3: Cross multiply
    304,909,819.56x = 420,774,634.98 × 165,681,006.12
  4. Step 4: Simplify right side
    304,909,819.56x = 69,714,364,873,262,152
  5. Step 5: Solve for x
    x = 69,714,364,873,262,152/304,909,819.56
  6. Step 6: Final answer
    x = 228,639,290.71

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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.