Home / 112,019,828.10-168,029,742.15-105,217,383.30

Finding the Fourth Proportional to 112,019,828.10, 168,029,742.15 and 105,217,383.30

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Solution

The fourth proportional to 112,019,828.10, 168,029,742.15 and 105,217,383.30 is: 157,826,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019,828.10 : 168,029,742.15 = 105,217,383.30 : x
  2. Step 2: Convert to fraction form
    112,019,828.10/168,029,742.15 = 105,217,383.30/x
  3. Step 3: Cross multiply
    112,019,828.10x = 168,029,742.15 × 105,217,383.30
  4. Step 4: Simplify right side
    112,019,828.10x = 17,679,649,785,596,716
  5. Step 5: Solve for x
    x = 17,679,649,785,596,716/112,019,828.10
  6. Step 6: Final answer
    x = 157,826,074.95

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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.