Home / 151,705,138.93-209,354,058.35-88,968,445.45

Finding the Fourth Proportional to 151,705,138.93, 209,354,058.35 and 88,968,445.45

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Solution

The fourth proportional to 151,705,138.93, 209,354,058.35 and 88,968,445.45 is: 122,777,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,705,138.93 : 209,354,058.35 = 88,968,445.45 : x
  2. Step 2: Convert to fraction form
    151,705,138.93/209,354,058.35 = 88,968,445.45/x
  3. Step 3: Cross multiply
    151,705,138.93x = 209,354,058.35 × 88,968,445.45
  4. Step 4: Simplify right side
    151,705,138.93x = 18,625,905,119,603,252
  5. Step 5: Solve for x
    x = 18,625,905,119,603,252/151,705,138.93
  6. Step 6: Final answer
    x = 122,777,021.60

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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.