Home / 198,254,863.79-297,349,311.51-60,047,611.54

Finding the Fourth Proportional to 198,254,863.79, 297,349,311.51 and 60,047,611.54

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Solution

The fourth proportional to 198,254,863.79, 297,349,311.51 and 60,047,611.54 is: 90,061,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,254,863.79 : 297,349,311.51 = 60,047,611.54 : x
  2. Step 2: Convert to fraction form
    198,254,863.79/297,349,311.51 = 60,047,611.54/x
  3. Step 3: Cross multiply
    198,254,863.79x = 297,349,311.51 × 60,047,611.54
  4. Step 4: Simplify right side
    198,254,863.79x = 17,855,115,949,238,930
  5. Step 5: Solve for x
    x = 17,855,115,949,238,930/198,254,863.79
  6. Step 6: Final answer
    x = 90,061,427.03

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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.