Home / 88,593,875.40-132,890,813.10-78,852,102.60

Finding the Fourth Proportional to 88,593,875.40, 132,890,813.10 and 78,852,102.60

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Solution

The fourth proportional to 88,593,875.40, 132,890,813.10 and 78,852,102.60 is: 118,278,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593,875.40 : 132,890,813.10 = 78,852,102.60 : x
  2. Step 2: Convert to fraction form
    88,593,875.40/132,890,813.10 = 78,852,102.60/x
  3. Step 3: Cross multiply
    88,593,875.40x = 132,890,813.10 × 78,852,102.60
  4. Step 4: Simplify right side
    88,593,875.40x = 10,478,720,029,158,622
  5. Step 5: Solve for x
    x = 10,478,720,029,158,622/88,593,875.40
  6. Step 6: Final answer
    x = 118,278,153.90

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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.