Home / 210,372,163.85-315,558,248.49-57,018,220.28

Finding the Fourth Proportional to 210,372,163.85, 315,558,248.49 and 57,018,220.28

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Solution

The fourth proportional to 210,372,163.85, 315,558,248.49 and 57,018,220.28 is: 85,527,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,372,163.85 : 315,558,248.49 = 57,018,220.28 : x
  2. Step 2: Convert to fraction form
    210,372,163.85/315,558,248.49 = 57,018,220.28/x
  3. Step 3: Cross multiply
    210,372,163.85x = 315,558,248.49 × 57,018,220.28
  4. Step 4: Simplify right side
    210,372,163.85x = 17,992,569,721,996,006
  5. Step 5: Solve for x
    x = 17,992,569,721,996,006/210,372,163.85
  6. Step 6: Final answer
    x = 85,527,331.15

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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.