Home / 51,478,313.46-71,022,788.31-29,148,253.30

Finding the Fourth Proportional to 51,478,313.46, 71,022,788.31 and 29,148,253.30

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Solution

The fourth proportional to 51,478,313.46, 71,022,788.31 and 29,148,253.30 is: 40,214,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478,313.46 : 71,022,788.31 = 29,148,253.30 : x
  2. Step 2: Convert to fraction form
    51,478,313.46/71,022,788.31 = 29,148,253.30/x
  3. Step 3: Cross multiply
    51,478,313.46x = 71,022,788.31 × 29,148,253.30
  4. Step 4: Simplify right side
    51,478,313.46x = 2,070,190,223,732,159
  5. Step 5: Solve for x
    x = 2,070,190,223,732,159/51,478,313.46
  6. Step 6: Final answer
    x = 40,214,802.79

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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.