Home / 185,665,871.99-278,508,058.60-70,659,327.71

Finding the Fourth Proportional to 185,665,871.99, 278,508,058.60 and 70,659,327.71

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Solution

The fourth proportional to 185,665,871.99, 278,508,058.60 and 70,659,327.71 is: 105,992,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,665,871.99 : 278,508,058.60 = 70,659,327.71 : x
  2. Step 2: Convert to fraction form
    185,665,871.99/278,508,058.60 = 70,659,327.71/x
  3. Step 3: Cross multiply
    185,665,871.99x = 278,508,058.60 × 70,659,327.71
  4. Step 4: Simplify right side
    185,665,871.99x = 19,679,192,183,012,908
  5. Step 5: Solve for x
    x = 19,679,192,183,012,908/185,665,871.99
  6. Step 6: Final answer
    x = 105,992,512.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.