Home / 172,174,006.56-258,261,196.93-42,781,616.68

Finding the Fourth Proportional to 172,174,006.56, 258,261,196.93 and 42,781,616.68

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Solution

The fourth proportional to 172,174,006.56, 258,261,196.93 and 42,781,616.68 is: 64,172,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,174,006.56 : 258,261,196.93 = 42,781,616.68 : x
  2. Step 2: Convert to fraction form
    172,174,006.56/258,261,196.93 = 42,781,616.68/x
  3. Step 3: Cross multiply
    172,174,006.56x = 258,261,196.93 × 42,781,616.68
  4. Step 4: Simplify right side
    172,174,006.56x = 11,048,831,529,141,462
  5. Step 5: Solve for x
    x = 11,048,831,529,141,462/172,174,006.56
  6. Step 6: Final answer
    x = 64,172,471.50

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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.