Home / 78,393,305.28-108,177,145.66-43,113,594.50

Finding the Fourth Proportional to 78,393,305.28, 108,177,145.66 and 43,113,594.50

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Solution

The fourth proportional to 78,393,305.28, 108,177,145.66 and 43,113,594.50 is: 59,493,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,393,305.28 : 108,177,145.66 = 43,113,594.50 : x
  2. Step 2: Convert to fraction form
    78,393,305.28/108,177,145.66 = 43,113,594.50/x
  3. Step 3: Cross multiply
    78,393,305.28x = 108,177,145.66 × 43,113,594.50
  4. Step 4: Simplify right side
    78,393,305.28x = 4,663,905,592,152,675
  5. Step 5: Solve for x
    x = 4,663,905,592,152,675/78,393,305.28
  6. Step 6: Final answer
    x = 59,493,672.01

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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.