Home / 104,609,901.50-144,362,992.17-57,572,390.78

Finding the Fourth Proportional to 104,609,901.50, 144,362,992.17 and 57,572,390.78

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Solution

The fourth proportional to 104,609,901.50, 144,362,992.17 and 57,572,390.78 is: 79,450,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609,901.50 : 144,362,992.17 = 57,572,390.78 : x
  2. Step 2: Convert to fraction form
    104,609,901.50/144,362,992.17 = 57,572,390.78/x
  3. Step 3: Cross multiply
    104,609,901.50x = 144,362,992.17 × 57,572,390.78
  4. Step 4: Simplify right side
    104,609,901.50x = 8,311,322,599,381,320
  5. Step 5: Solve for x
    x = 8,311,322,599,381,320/104,609,901.50
  6. Step 6: Final answer
    x = 79,450,630.20

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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.