Home / 103,500,855.48-155,426,999.67-69,177,822.42

Finding the Fourth Proportional to 103,500,855.48, 155,426,999.67 and 69,177,822.42

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Solution

The fourth proportional to 103,500,855.48, 155,426,999.67 and 69,177,822.42 is: 103,884,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500,855.48 : 155,426,999.67 = 69,177,822.42 : x
  2. Step 2: Convert to fraction form
    103,500,855.48/155,426,999.67 = 69,177,822.42/x
  3. Step 3: Cross multiply
    103,500,855.48x = 155,426,999.67 × 69,177,822.42
  4. Step 4: Simplify right side
    103,500,855.48x = 10,752,101,382,444,658
  5. Step 5: Solve for x
    x = 10,752,101,382,444,658/103,500,855.48
  6. Step 6: Final answer
    x = 103,884,178.86

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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.