Home / 308,791,748.96-426,140,017.18-167,668,917.44

Finding the Fourth Proportional to 308,791,748.96, 426,140,017.18 and 167,668,917.44

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Solution

The fourth proportional to 308,791,748.96, 426,140,017.18 and 167,668,917.44 is: 231,387,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,791,748.96 : 426,140,017.18 = 167,668,917.44 : x
  2. Step 2: Convert to fraction form
    308,791,748.96/426,140,017.18 = 167,668,917.44/x
  3. Step 3: Cross multiply
    308,791,748.96x = 426,140,017.18 × 167,668,917.44
  4. Step 4: Simplify right side
    308,791,748.96x = 71,450,435,358,433,600
  5. Step 5: Solve for x
    x = 71,450,435,358,433,600/308,791,748.96
  6. Step 6: Final answer
    x = 231,387,126.11

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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.