Home / 338,493,817.79-507,744,635.84-102,145,387.18

Finding the Fourth Proportional to 338,493,817.79, 507,744,635.84 and 102,145,387.18

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Solution

The fourth proportional to 338,493,817.79, 507,744,635.84 and 102,145,387.18 is: 153,219,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,493,817.79 : 507,744,635.84 = 102,145,387.18 : x
  2. Step 2: Convert to fraction form
    338,493,817.79/507,744,635.84 = 102,145,387.18/x
  3. Step 3: Cross multiply
    338,493,817.79x = 507,744,635.84 × 102,145,387.18
  4. Step 4: Simplify right side
    338,493,817.79x = 51,863,772,416,574,464
  5. Step 5: Solve for x
    x = 51,863,772,416,574,464/338,493,817.79
  6. Step 6: Final answer
    x = 153,219,260.41

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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.