Home / 76,026,755.15-104,919,135.40-42,986,294.90

Finding the Fourth Proportional to 76,026,755.15, 104,919,135.40 and 42,986,294.90

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Solution

The fourth proportional to 76,026,755.15, 104,919,135.40 and 42,986,294.90 is: 59,322,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,026,755.15 : 104,919,135.40 = 42,986,294.90 : x
  2. Step 2: Convert to fraction form
    76,026,755.15/104,919,135.40 = 42,986,294.90/x
  3. Step 3: Cross multiply
    76,026,755.15x = 104,919,135.40 × 42,986,294.90
  4. Step 4: Simplify right side
    76,026,755.15x = 4,510,084,894,957,430
  5. Step 5: Solve for x
    x = 4,510,084,894,957,430/76,026,755.15
  6. Step 6: Final answer
    x = 59,322,338.38

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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.