Home / 213,147,705.83-294,169,355.84-129,529,499.49

Finding the Fourth Proportional to 213,147,705.83, 294,169,355.84 and 129,529,499.49

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Solution

The fourth proportional to 213,147,705.83, 294,169,355.84 and 129,529,499.49 is: 178,766,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,147,705.83 : 294,169,355.84 = 129,529,499.49 : x
  2. Step 2: Convert to fraction form
    213,147,705.83/294,169,355.84 = 129,529,499.49/x
  3. Step 3: Cross multiply
    213,147,705.83x = 294,169,355.84 × 129,529,499.49
  4. Step 4: Simplify right side
    213,147,705.83x = 38,103,609,427,574,728
  5. Step 5: Solve for x
    x = 38,103,609,427,574,728/213,147,705.83
  6. Step 6: Final answer
    x = 178,766,218.85

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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.