Home / 116,006,664.78-160,093,406.48-66,456,614.96

Finding the Fourth Proportional to 116,006,664.78, 160,093,406.48 and 66,456,614.96

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Solution

The fourth proportional to 116,006,664.78, 160,093,406.48 and 66,456,614.96 is: 91,712,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,006,664.78 : 160,093,406.48 = 66,456,614.96 : x
  2. Step 2: Convert to fraction form
    116,006,664.78/160,093,406.48 = 66,456,614.96/x
  3. Step 3: Cross multiply
    116,006,664.78x = 160,093,406.48 × 66,456,614.96
  4. Step 4: Simplify right side
    116,006,664.78x = 10,639,265,872,076,128
  5. Step 5: Solve for x
    x = 10,639,265,872,076,128/116,006,664.78
  6. Step 6: Final answer
    x = 91,712,539.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.