Home / 286,561,588.26-429,847,047.98-82,088,868.90

Finding the Fourth Proportional to 286,561,588.26, 429,847,047.98 and 82,088,868.90

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Solution

The fourth proportional to 286,561,588.26, 429,847,047.98 and 82,088,868.90 is: 123,134,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,561,588.26 : 429,847,047.98 = 82,088,868.90 : x
  2. Step 2: Convert to fraction form
    286,561,588.26/429,847,047.98 = 82,088,868.90/x
  3. Step 3: Cross multiply
    286,561,588.26x = 429,847,047.98 × 82,088,868.90
  4. Step 4: Simplify right side
    286,561,588.26x = 35,285,657,968,682,232
  5. Step 5: Solve for x
    x = 35,285,657,968,682,232/286,561,588.26
  6. Step 6: Final answer
    x = 123,134,639.86

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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.