Home / 144,503,606.57-199,414,976.90-78,424,104.83

Finding the Fourth Proportional to 144,503,606.57, 199,414,976.90 and 78,424,104.83

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Solution

The fourth proportional to 144,503,606.57, 199,414,976.90 and 78,424,104.83 is: 108,225,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,503,606.57 : 199,414,976.90 = 78,424,104.83 : x
  2. Step 2: Convert to fraction form
    144,503,606.57/199,414,976.90 = 78,424,104.83/x
  3. Step 3: Cross multiply
    144,503,606.57x = 199,414,976.90 × 78,424,104.83
  4. Step 4: Simplify right side
    144,503,606.57x = 15,638,941,051,688,434
  5. Step 5: Solve for x
    x = 15,638,941,051,688,434/144,503,606.57
  6. Step 6: Final answer
    x = 108,225,264.57

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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.