Home / 354,484,076.45-531,805,166.52-108,865,498.35

Finding the Fourth Proportional to 354,484,076.45, 531,805,166.52 and 108,865,498.35

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Solution

The fourth proportional to 354,484,076.45, 531,805,166.52 and 108,865,498.35 is: 163,322,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,484,076.45 : 531,805,166.52 = 108,865,498.35 : x
  2. Step 2: Convert to fraction form
    354,484,076.45/531,805,166.52 = 108,865,498.35/x
  3. Step 3: Cross multiply
    354,484,076.45x = 531,805,166.52 × 108,865,498.35
  4. Step 4: Simplify right side
    354,484,076.45x = 57,895,234,478,304,528
  5. Step 5: Solve for x
    x = 57,895,234,478,304,528/354,484,076.45
  6. Step 6: Final answer
    x = 163,322,525.11

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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.