Home / 304,926,520.95-420,798,279.69-165,696,950.16

Finding the Fourth Proportional to 304,926,520.95, 420,798,279.69 and 165,696,950.16

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Solution

The fourth proportional to 304,926,520.95, 420,798,279.69 and 165,696,950.16 is: 228,661,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,926,520.95 : 420,798,279.69 = 165,696,950.16 : x
  2. Step 2: Convert to fraction form
    304,926,520.95/420,798,279.69 = 165,696,950.16/x
  3. Step 3: Cross multiply
    304,926,520.95x = 420,798,279.69 × 165,696,950.16
  4. Step 4: Simplify right side
    304,926,520.95x = 69,724,991,577,207,672
  5. Step 5: Solve for x
    x = 69,724,991,577,207,672/304,926,520.95
  6. Step 6: Final answer
    x = 228,661,617.76

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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.