Home / 112,338,846.40-168,224,834.40-89,664,030.40

Finding the Fourth Proportional to 112,338,846.40, 168,224,834.40 and 89,664,030.40

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Solution

The fourth proportional to 112,338,846.40, 168,224,834.40 and 89,664,030.40 is: 134,269,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338,846.40 : 168,224,834.40 = 89,664,030.40 : x
  2. Step 2: Convert to fraction form
    112,338,846.40/168,224,834.40 = 89,664,030.40/x
  3. Step 3: Cross multiply
    112,338,846.40x = 168,224,834.40 × 89,664,030.40
  4. Step 4: Simplify right side
    112,338,846.40x = 15,083,716,665,676,568
  5. Step 5: Solve for x
    x = 15,083,716,665,676,568/112,338,846.40
  6. Step 6: Final answer
    x = 134,269,819.83

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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.