Home / 90,828,425.58-125,343,348.03-58,233,376.62

Finding the Fourth Proportional to 90,828,425.58, 125,343,348.03 and 58,233,376.62

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Solution

The fourth proportional to 90,828,425.58, 125,343,348.03 and 58,233,376.62 is: 80,362,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,425.58 : 125,343,348.03 = 58,233,376.62 : x
  2. Step 2: Convert to fraction form
    90,828,425.58/125,343,348.03 = 58,233,376.62/x
  3. Step 3: Cross multiply
    90,828,425.58x = 125,343,348.03 × 58,233,376.62
  4. Step 4: Simplify right side
    90,828,425.58x = 7,299,166,392,642,725
  5. Step 5: Solve for x
    x = 7,299,166,392,642,725/90,828,425.58
  6. Step 6: Final answer
    x = 80,362,137.14

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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.