Home / 112,102,820.69-154,705,709.63-65,056,251.65

Finding the Fourth Proportional to 112,102,820.69, 154,705,709.63 and 65,056,251.65

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Solution

The fourth proportional to 112,102,820.69, 154,705,709.63 and 65,056,251.65 is: 89,779,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,102,820.69 : 154,705,709.63 = 65,056,251.65 : x
  2. Step 2: Convert to fraction form
    112,102,820.69/154,705,709.63 = 65,056,251.65/x
  3. Step 3: Cross multiply
    112,102,820.69x = 154,705,709.63 × 65,056,251.65
  4. Step 4: Simplify right side
    112,102,820.69x = 10,064,573,576,770,220
  5. Step 5: Solve for x
    x = 10,064,573,576,770,220/112,102,820.69
  6. Step 6: Final answer
    x = 89,779,842.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.