Home / 71,132,602.60-98,161,712-40,192,107.58

Finding the Fourth Proportional to 71,132,602.60, 98,161,712 and 40,192,107.58

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Solution

The fourth proportional to 71,132,602.60, 98,161,712 and 40,192,107.58 is: 55,464,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,602.60 : 98,161,712 = 40,192,107.58 : x
  2. Step 2: Convert to fraction form
    71,132,602.60/98,161,712 = 40,192,107.58/x
  3. Step 3: Cross multiply
    71,132,602.60x = 98,161,712 × 40,192,107.58
  4. Step 4: Simplify right side
    71,132,602.60x = 3,945,326,088,940,977
  5. Step 5: Solve for x
    x = 3,945,326,088,940,977/71,132,602.60
  6. Step 6: Final answer
    x = 55,464,385.45

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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.