Home / 215,664,779.80-323,497,169.70-134,035,442.20

Finding the Fourth Proportional to 215,664,779.80, 323,497,169.70 and 134,035,442.20

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Solution

The fourth proportional to 215,664,779.80, 323,497,169.70 and 134,035,442.20 is: 201,053,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,664,779.80 : 323,497,169.70 = 134,035,442.20 : x
  2. Step 2: Convert to fraction form
    215,664,779.80/323,497,169.70 = 134,035,442.20/x
  3. Step 3: Cross multiply
    215,664,779.80x = 323,497,169.70 × 134,035,442.20
  4. Step 4: Simplify right side
    215,664,779.80x = 43,360,086,191,187,944
  5. Step 5: Solve for x
    x = 43,360,086,191,187,944/215,664,779.80
  6. Step 6: Final answer
    x = 201,053,163.30

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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.