Home / 112,103,682.40-168,155,523.60-89,428,866.40

Finding the Fourth Proportional to 112,103,682.40, 168,155,523.60 and 89,428,866.40

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Solution

The fourth proportional to 112,103,682.40, 168,155,523.60 and 89,428,866.40 is: 134,143,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103,682.40 : 168,155,523.60 = 89,428,866.40 : x
  2. Step 2: Convert to fraction form
    112,103,682.40/168,155,523.60 = 89,428,866.40/x
  3. Step 3: Cross multiply
    112,103,682.40x = 168,155,523.60 × 89,428,866.40
  4. Step 4: Simplify right side
    112,103,682.40x = 15,037,957,854,446,448
  5. Step 5: Solve for x
    x = 15,037,957,854,446,448/112,103,682.40
  6. Step 6: Final answer
    x = 134,143,299.60

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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.