Home / 114,902,506.80-172,369,506.60-38,217,538.80

Finding the Fourth Proportional to 114,902,506.80, 172,369,506.60 and 38,217,538.80

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Solution

The fourth proportional to 114,902,506.80, 172,369,506.60 and 38,217,538.80 is: 57,331,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,902,506.80 : 172,369,506.60 = 38,217,538.80 : x
  2. Step 2: Convert to fraction form
    114,902,506.80/172,369,506.60 = 38,217,538.80/x
  3. Step 3: Cross multiply
    114,902,506.80x = 172,369,506.60 × 38,217,538.80
  4. Step 4: Simplify right side
    114,902,506.80x = 6,587,538,306,422,355
  5. Step 5: Solve for x
    x = 6,587,538,306,422,355/114,902,506.80
  6. Step 6: Final answer
    x = 57,331,545.58

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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.