Home / 202,672,898.13-279,689,011.55-109,853,468.85

Finding the Fourth Proportional to 202,672,898.13, 279,689,011.55 and 109,853,468.85

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Solution

The fourth proportional to 202,672,898.13, 279,689,011.55 and 109,853,468.85 is: 151,598,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,672,898.13 : 279,689,011.55 = 109,853,468.85 : x
  2. Step 2: Convert to fraction form
    202,672,898.13/279,689,011.55 = 109,853,468.85/x
  3. Step 3: Cross multiply
    202,672,898.13x = 279,689,011.55 × 109,853,468.85
  4. Step 4: Simplify right side
    202,672,898.13x = 30,724,808,118,064,420
  5. Step 5: Solve for x
    x = 30,724,808,118,064,420/202,672,898.13
  6. Step 6: Final answer
    x = 151,598,010.40

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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.