Home / 354,484,120.87-531,805,234.05-108,865,543.45

Finding the Fourth Proportional to 354,484,120.87, 531,805,234.05 and 108,865,543.45

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Solution

The fourth proportional to 354,484,120.87, 531,805,234.05 and 108,865,543.45 is: 163,322,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,484,120.87 : 531,805,234.05 = 108,865,543.45 : x
  2. Step 2: Convert to fraction form
    354,484,120.87/531,805,234.05 = 108,865,543.45/x
  3. Step 3: Cross multiply
    354,484,120.87x = 531,805,234.05 × 108,865,543.45
  4. Step 4: Simplify right side
    354,484,120.87x = 57,895,265,814,407,696
  5. Step 5: Solve for x
    x = 57,895,265,814,407,696/354,484,120.87
  6. Step 6: Final answer
    x = 163,322,593.05

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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.