Home / 112,158,065.76-168,312,248.16-39,375,062.64

Finding the Fourth Proportional to 112,158,065.76, 168,312,248.16 and 39,375,062.64

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Solution

The fourth proportional to 112,158,065.76, 168,312,248.16 and 39,375,062.64 is: 59,088,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158,065.76 : 168,312,248.16 = 39,375,062.64 : x
  2. Step 2: Convert to fraction form
    112,158,065.76/168,312,248.16 = 39,375,062.64/x
  3. Step 3: Cross multiply
    112,158,065.76x = 168,312,248.16 × 39,375,062.64
  4. Step 4: Simplify right side
    112,158,065.76x = 6,627,305,314,379,225
  5. Step 5: Solve for x
    x = 6,627,305,314,379,225/112,158,065.76
  6. Step 6: Final answer
    x = 59,088,976.52

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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.