Home / 345,262,217.60-517,043,020.80-163,296,819.20

Finding the Fourth Proportional to 345,262,217.60, 517,043,020.80 and 163,296,819.20

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Solution

The fourth proportional to 345,262,217.60, 517,043,020.80 and 163,296,819.20 is: 244,543,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,262,217.60 : 517,043,020.80 = 163,296,819.20 : x
  2. Step 2: Convert to fraction form
    345,262,217.60/517,043,020.80 = 163,296,819.20/x
  3. Step 3: Cross multiply
    345,262,217.60x = 517,043,020.80 × 163,296,819.20
  4. Step 4: Simplify right side
    345,262,217.60x = 84,431,480,686,199,440
  5. Step 5: Solve for x
    x = 84,431,480,686,199,440/345,262,217.60
  6. Step 6: Final answer
    x = 244,543,064.32

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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.