Home / 77,850,623.49-107,430,458.16-42,567,763.41

Finding the Fourth Proportional to 77,850,623.49, 107,430,458.16 and 42,567,763.41

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Solution

The fourth proportional to 77,850,623.49, 107,430,458.16 and 42,567,763.41 is: 58,741,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,850,623.49 : 107,430,458.16 = 42,567,763.41 : x
  2. Step 2: Convert to fraction form
    77,850,623.49/107,430,458.16 = 42,567,763.41/x
  3. Step 3: Cross multiply
    77,850,623.49x = 107,430,458.16 × 42,567,763.41
  4. Step 4: Simplify right side
    77,850,623.49x = 4,573,074,325,982,783
  5. Step 5: Solve for x
    x = 4,573,074,325,982,783/77,850,623.49
  6. Step 6: Final answer
    x = 58,741,653.19

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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.