Home / 304,724,199.10-420,545,329.50-172,588,701.46

Finding the Fourth Proportional to 304,724,199.10, 420,545,329.50 and 172,588,701.46

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Solution

The fourth proportional to 304,724,199.10, 420,545,329.50 and 172,588,701.46 is: 238,187,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,724,199.10 : 420,545,329.50 = 172,588,701.46 : x
  2. Step 2: Convert to fraction form
    304,724,199.10/420,545,329.50 = 172,588,701.46/x
  3. Step 3: Cross multiply
    304,724,199.10x = 420,545,329.50 × 172,588,701.46
  4. Step 4: Simplify right side
    304,724,199.10x = 72,581,372,323,472,832
  5. Step 5: Solve for x
    x = 72,581,372,323,472,832/304,724,199.10
  6. Step 6: Final answer
    x = 238,187,096.85

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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.