Home / 304,486,131.61-420,191,276.39-165,256,895.17

Finding the Fourth Proportional to 304,486,131.61, 420,191,276.39 and 165,256,895.17

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Solution

The fourth proportional to 304,486,131.61, 420,191,276.39 and 165,256,895.17 is: 228,054,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,131.61 : 420,191,276.39 = 165,256,895.17 : x
  2. Step 2: Convert to fraction form
    304,486,131.61/420,191,276.39 = 165,256,895.17/x
  3. Step 3: Cross multiply
    304,486,131.61x = 420,191,276.39 × 165,256,895.17
  4. Step 4: Simplify right side
    304,486,131.61x = 69,439,505,713,730,720
  5. Step 5: Solve for x
    x = 69,439,505,713,730,720/304,486,131.61
  6. Step 6: Final answer
    x = 228,054,740.45

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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.