Home / 205,518,448.35-308,277,672.53-166,776,399.45

Finding the Fourth Proportional to 205,518,448.35, 308,277,672.53 and 166,776,399.45

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Solution

The fourth proportional to 205,518,448.35, 308,277,672.53 and 166,776,399.45 is: 250,164,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,518,448.35 : 308,277,672.53 = 166,776,399.45 : x
  2. Step 2: Convert to fraction form
    205,518,448.35/308,277,672.53 = 166,776,399.45/x
  3. Step 3: Cross multiply
    205,518,448.35x = 308,277,672.53 × 166,776,399.45
  4. Step 4: Simplify right side
    205,518,448.35x = 51,413,440,254,545,680
  5. Step 5: Solve for x
    x = 51,413,440,254,545,680/205,518,448.35
  6. Step 6: Final answer
    x = 250,164,599.18

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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.