Home / 67,019,721.88-92,494,705.22-40,572,647.66

Finding the Fourth Proportional to 67,019,721.88, 92,494,705.22 and 40,572,647.66

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Solution

The fourth proportional to 67,019,721.88, 92,494,705.22 and 40,572,647.66 is: 55,994,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019,721.88 : 92,494,705.22 = 40,572,647.66 : x
  2. Step 2: Convert to fraction form
    67,019,721.88/92,494,705.22 = 40,572,647.66/x
  3. Step 3: Cross multiply
    67,019,721.88x = 92,494,705.22 × 40,572,647.66
  4. Step 4: Simplify right side
    67,019,721.88x = 3,752,755,085,306,622.50
  5. Step 5: Solve for x
    x = 3,752,755,085,306,622.50/67,019,721.88
  6. Step 6: Final answer
    x = 55,994,787.50

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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.