Home / 312,607,774.46-469,054,856.93-135,399,116.58

Finding the Fourth Proportional to 312,607,774.46, 469,054,856.93 and 135,399,116.58

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Solution

The fourth proportional to 312,607,774.46, 469,054,856.93 and 135,399,116.58 is: 203,160,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,607,774.46 : 469,054,856.93 = 135,399,116.58 : x
  2. Step 2: Convert to fraction form
    312,607,774.46/469,054,856.93 = 135,399,116.58/x
  3. Step 3: Cross multiply
    312,607,774.46x = 469,054,856.93 × 135,399,116.58
  4. Step 4: Simplify right side
    312,607,774.46x = 63,509,613,255,203,304
  5. Step 5: Solve for x
    x = 63,509,613,255,203,304/312,607,774.46
  6. Step 6: Final answer
    x = 203,160,696.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.