Home / 88,581,712.40-132,872,568.60-79,653,503.60

Finding the Fourth Proportional to 88,581,712.40, 132,872,568.60 and 79,653,503.60

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Solution

The fourth proportional to 88,581,712.40, 132,872,568.60 and 79,653,503.60 is: 119,480,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581,712.40 : 132,872,568.60 = 79,653,503.60 : x
  2. Step 2: Convert to fraction form
    88,581,712.40/132,872,568.60 = 79,653,503.60/x
  3. Step 3: Cross multiply
    88,581,712.40x = 132,872,568.60 × 79,653,503.60
  4. Step 4: Simplify right side
    88,581,712.40x = 10,583,765,621,321,346
  5. Step 5: Solve for x
    x = 10,583,765,621,321,346/88,581,712.40
  6. Step 6: Final answer
    x = 119,480,255.40

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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.