Home / 112,211,236.30-168,316,854.45-48,385,828.30

Finding the Fourth Proportional to 112,211,236.30, 168,316,854.45 and 48,385,828.30

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Solution

The fourth proportional to 112,211,236.30, 168,316,854.45 and 48,385,828.30 is: 72,578,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,236.30 : 168,316,854.45 = 48,385,828.30 : x
  2. Step 2: Convert to fraction form
    112,211,236.30/168,316,854.45 = 48,385,828.30/x
  3. Step 3: Cross multiply
    112,211,236.30x = 168,316,854.45 × 48,385,828.30
  4. Step 4: Simplify right side
    112,211,236.30x = 8,144,150,419,413,790
  5. Step 5: Solve for x
    x = 8,144,150,419,413,790/112,211,236.30
  6. Step 6: Final answer
    x = 72,578,742.45

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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.