Home / 78,502,438.89-108,333,370.62-43,694,382.06

Finding the Fourth Proportional to 78,502,438.89, 108,333,370.62 and 43,694,382.06

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Solution

The fourth proportional to 78,502,438.89, 108,333,370.62 and 43,694,382.06 is: 60,298,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,502,438.89 : 108,333,370.62 = 43,694,382.06 : x
  2. Step 2: Convert to fraction form
    78,502,438.89/108,333,370.62 = 43,694,382.06/x
  3. Step 3: Cross multiply
    78,502,438.89x = 108,333,370.62 × 43,694,382.06
  4. Step 4: Simplify right side
    78,502,438.89x = 4,733,559,685,717,860
  5. Step 5: Solve for x
    x = 4,733,559,685,717,860/78,502,438.89
  6. Step 6: Final answer
    x = 60,298,250.00

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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.