Home / 43,638,377.77-65,457,894.78-19,370,780.61

Finding the Fourth Proportional to 43,638,377.77, 65,457,894.78 and 19,370,780.61

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Solution

The fourth proportional to 43,638,377.77, 65,457,894.78 and 19,370,780.61 is: 29,056,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,377.77 : 65,457,894.78 = 19,370,780.61 : x
  2. Step 2: Convert to fraction form
    43,638,377.77/65,457,894.78 = 19,370,780.61/x
  3. Step 3: Cross multiply
    43,638,377.77x = 65,457,894.78 × 19,370,780.61
  4. Step 4: Simplify right side
    43,638,377.77x = 1,267,970,518,730,377
  5. Step 5: Solve for x
    x = 1,267,970,518,730,377/43,638,377.77
  6. Step 6: Final answer
    x = 29,056,316.56

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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.