Home / 78,393,301.79-108,177,140.84-43,113,591

Finding the Fourth Proportional to 78,393,301.79, 108,177,140.84 and 43,113,591

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Solution

The fourth proportional to 78,393,301.79, 108,177,140.84 and 43,113,591 is: 59,493,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,393,301.79 : 108,177,140.84 = 43,113,591 : x
  2. Step 2: Convert to fraction form
    78,393,301.79/108,177,140.84 = 43,113,591/x
  3. Step 3: Cross multiply
    78,393,301.79x = 108,177,140.84 × 43,113,591
  4. Step 4: Simplify right side
    78,393,301.79x = 4,663,905,005,509,588
  5. Step 5: Solve for x
    x = 4,663,905,005,509,588/78,393,301.79
  6. Step 6: Final answer
    x = 59,493,667.18

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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.