Home / 228,452,221.90-315,559,795.82-188,919,436.49

Finding the Fourth Proportional to 228,452,221.90, 315,559,795.82 and 188,919,436.49

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Solution

The fourth proportional to 228,452,221.90, 315,559,795.82 and 188,919,436.49 is: 260,953,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,452,221.90 : 315,559,795.82 = 188,919,436.49 : x
  2. Step 2: Convert to fraction form
    228,452,221.90/315,559,795.82 = 188,919,436.49/x
  3. Step 3: Cross multiply
    228,452,221.90x = 315,559,795.82 × 188,919,436.49
  4. Step 4: Simplify right side
    228,452,221.90x = 59,615,378,804,938,432
  5. Step 5: Solve for x
    x = 59,615,378,804,938,432/228,452,221.90
  6. Step 6: Final answer
    x = 260,953,377.08

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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.