Home / 88,593,880.40-132,890,820.60-78,852,107.60

Finding the Fourth Proportional to 88,593,880.40, 132,890,820.60 and 78,852,107.60

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Solution

The fourth proportional to 88,593,880.40, 132,890,820.60 and 78,852,107.60 is: 118,278,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593,880.40 : 132,890,820.60 = 78,852,107.60 : x
  2. Step 2: Convert to fraction form
    88,593,880.40/132,890,820.60 = 78,852,107.60/x
  3. Step 3: Cross multiply
    88,593,880.40x = 132,890,820.60 × 78,852,107.60
  4. Step 4: Simplify right side
    88,593,880.40x = 10,478,721,285,003,496
  5. Step 5: Solve for x
    x = 10,478,721,285,003,496/88,593,880.40
  6. Step 6: Final answer
    x = 118,278,161.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.