Home / 354,484,119.11-531,805,231.43-108,865,541.70

Finding the Fourth Proportional to 354,484,119.11, 531,805,231.43 and 108,865,541.70

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Solution

The fourth proportional to 354,484,119.11, 531,805,231.43 and 108,865,541.70 is: 163,322,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,484,119.11 : 531,805,231.43 = 108,865,541.70 : x
  2. Step 2: Convert to fraction form
    354,484,119.11/531,805,231.43 = 108,865,541.70/x
  3. Step 3: Cross multiply
    354,484,119.11x = 531,805,231.43 × 108,865,541.70
  4. Step 4: Simplify right side
    354,484,119.11x = 57,895,264,598,520,816
  5. Step 5: Solve for x
    x = 57,895,264,598,520,816/354,484,119.11
  6. Step 6: Final answer
    x = 163,322,590.43

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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.