Home / 304,913,234.40-420,779,463.84-165,684,001.92

Finding the Fourth Proportional to 304,913,234.40, 420,779,463.84 and 165,684,001.92

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Solution

The fourth proportional to 304,913,234.40, 420,779,463.84 and 165,684,001.92 is: 228,643,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,913,234.40 : 420,779,463.84 = 165,684,001.92 : x
  2. Step 2: Convert to fraction form
    304,913,234.40/420,779,463.84 = 165,684,001.92/x
  3. Step 3: Cross multiply
    304,913,234.40x = 420,779,463.84 × 165,684,001.92
  4. Step 4: Simplify right side
    304,913,234.40x = 69,716,425,494,763,120
  5. Step 5: Solve for x
    x = 69,716,425,494,763,120/304,913,234.40
  6. Step 6: Final answer
    x = 228,643,488.14

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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.