Home / 88,705,853.80-133,058,780.70-87,511,460.20

Finding the Fourth Proportional to 88,705,853.80, 133,058,780.70 and 87,511,460.20

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Solution

The fourth proportional to 88,705,853.80, 133,058,780.70 and 87,511,460.20 is: 131,267,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705,853.80 : 133,058,780.70 = 87,511,460.20 : x
  2. Step 2: Convert to fraction form
    88,705,853.80/133,058,780.70 = 87,511,460.20/x
  3. Step 3: Cross multiply
    88,705,853.80x = 133,058,780.70 × 87,511,460.20
  4. Step 4: Simplify right side
    88,705,853.80x = 11,644,168,191,488,578
  5. Step 5: Solve for x
    x = 11,644,168,191,488,578/88,705,853.80
  6. Step 6: Final answer
    x = 131,267,190.30

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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.