Home / 103,423,558.92-142,725,474.03-57,015,473.59

Finding the Fourth Proportional to 103,423,558.92, 142,725,474.03 and 57,015,473.59

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Solution

The fourth proportional to 103,423,558.92, 142,725,474.03 and 57,015,473.59 is: 78,681,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,558.92 : 142,725,474.03 = 57,015,473.59 : x
  2. Step 2: Convert to fraction form
    103,423,558.92/142,725,474.03 = 57,015,473.59/x
  3. Step 3: Cross multiply
    103,423,558.92x = 142,725,474.03 × 57,015,473.59
  4. Step 4: Simplify right side
    103,423,558.92x = 8,137,560,495,177,696
  5. Step 5: Solve for x
    x = 8,137,560,495,177,696/103,423,558.92
  6. Step 6: Final answer
    x = 78,681,884.28

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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.