Home / 345,262,428.60-517,043,337.30-163,297,030.20

Finding the Fourth Proportional to 345,262,428.60, 517,043,337.30 and 163,297,030.20

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Solution

The fourth proportional to 345,262,428.60, 517,043,337.30 and 163,297,030.20 is: 244,543,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,262,428.60 : 517,043,337.30 = 163,297,030.20 : x
  2. Step 2: Convert to fraction form
    345,262,428.60/517,043,337.30 = 163,297,030.20/x
  3. Step 3: Cross multiply
    345,262,428.60x = 517,043,337.30 × 163,297,030.20
  4. Step 4: Simplify right side
    345,262,428.60x = 84,431,641,465,786,880
  5. Step 5: Solve for x
    x = 84,431,641,465,786,880/345,262,428.60
  6. Step 6: Final answer
    x = 244,543,380.55

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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.