Home / 228,519,876.54-315,453,975.86-154,281,001.07

Finding the Fourth Proportional to 228,519,876.54, 315,453,975.86 and 154,281,001.07

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Solution

The fourth proportional to 228,519,876.54, 315,453,975.86 and 154,281,001.07 is: 212,972,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,519,876.54 : 315,453,975.86 = 154,281,001.07 : x
  2. Step 2: Convert to fraction form
    228,519,876.54/315,453,975.86 = 154,281,001.07/x
  3. Step 3: Cross multiply
    228,519,876.54x = 315,453,975.86 × 154,281,001.07
  4. Step 4: Simplify right side
    228,519,876.54x = 48,668,555,184,843,744
  5. Step 5: Solve for x
    x = 48,668,555,184,843,744/228,519,876.54
  6. Step 6: Final answer
    x = 212,972,962.89

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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.