Home / 210,371,966.30-315,557,944.60-57,018,019.70

Finding the Fourth Proportional to 210,371,966.30, 315,557,944.60 and 57,018,019.70

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Solution

The fourth proportional to 210,371,966.30, 315,557,944.60 and 57,018,019.70 is: 85,527,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,371,966.30 : 315,557,944.60 = 57,018,019.70 : x
  2. Step 2: Convert to fraction form
    210,371,966.30/315,557,944.60 = 57,018,019.70/x
  3. Step 3: Cross multiply
    210,371,966.30x = 315,557,944.60 × 57,018,019.70
  4. Step 4: Simplify right side
    210,371,966.30x = 17,992,489,101,694,310
  5. Step 5: Solve for x
    x = 17,992,489,101,694,310/210,371,966.30
  6. Step 6: Final answer
    x = 85,527,028.24

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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.