Home / 210,046,705.20-314,928,340.20-100,924,153.20

Finding the Fourth Proportional to 210,046,705.20, 314,928,340.20 and 100,924,153.20

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Solution

The fourth proportional to 210,046,705.20, 314,928,340.20 and 100,924,153.20 is: 151,318,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,046,705.20 : 314,928,340.20 = 100,924,153.20 : x
  2. Step 2: Convert to fraction form
    210,046,705.20/314,928,340.20 = 100,924,153.20/x
  3. Step 3: Cross multiply
    210,046,705.20x = 314,928,340.20 × 100,924,153.20
  4. Step 4: Simplify right side
    210,046,705.20x = 31,783,876,053,366,520
  5. Step 5: Solve for x
    x = 31,783,876,053,366,520/210,046,705.20
  6. Step 6: Final answer
    x = 151,318,136.71

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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.