Home / 112,103,682.90-168,155,524.35-89,428,866.90

Finding the Fourth Proportional to 112,103,682.90, 168,155,524.35 and 89,428,866.90

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Solution

The fourth proportional to 112,103,682.90, 168,155,524.35 and 89,428,866.90 is: 134,143,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103,682.90 : 168,155,524.35 = 89,428,866.90 : x
  2. Step 2: Convert to fraction form
    112,103,682.90/168,155,524.35 = 89,428,866.90/x
  3. Step 3: Cross multiply
    112,103,682.90x = 168,155,524.35 × 89,428,866.90
  4. Step 4: Simplify right side
    112,103,682.90x = 15,037,958,005,595,860
  5. Step 5: Solve for x
    x = 15,037,958,005,595,860/112,103,682.90
  6. Step 6: Final answer
    x = 134,143,300.35

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1.5x scale

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.