Home / 205,518,448.10-308,277,672.15-166,776,399.20

Finding the Fourth Proportional to 205,518,448.10, 308,277,672.15 and 166,776,399.20

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Solution

The fourth proportional to 205,518,448.10, 308,277,672.15 and 166,776,399.20 is: 250,164,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,518,448.10 : 308,277,672.15 = 166,776,399.20 : x
  2. Step 2: Convert to fraction form
    205,518,448.10/308,277,672.15 = 166,776,399.20/x
  3. Step 3: Cross multiply
    205,518,448.10x = 308,277,672.15 × 166,776,399.20
  4. Step 4: Simplify right side
    205,518,448.10x = 51,413,440,114,935,112
  5. Step 5: Solve for x
    x = 51,413,440,114,935,112/205,518,448.10
  6. Step 6: Final answer
    x = 250,164,598.80

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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.