Home / 45,930,379.40-68,895,569.10-31,380,705.80

Finding the Fourth Proportional to 45,930,379.40, 68,895,569.10 and 31,380,705.80

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Solution

The fourth proportional to 45,930,379.40, 68,895,569.10 and 31,380,705.80 is: 47,071,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930,379.40 : 68,895,569.10 = 31,380,705.80 : x
  2. Step 2: Convert to fraction form
    45,930,379.40/68,895,569.10 = 31,380,705.80/x
  3. Step 3: Cross multiply
    45,930,379.40x = 68,895,569.10 × 31,380,705.80
  4. Step 4: Simplify right side
    45,930,379.40x = 2,161,991,584,850,670.75
  5. Step 5: Solve for x
    x = 2,161,991,584,850,670.75/45,930,379.40
  6. Step 6: Final answer
    x = 47,071,058.70

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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.