Home / 103,815,356.80-155,723,035.20-103,815,356.80

Finding the Fourth Proportional to 103,815,356.80, 155,723,035.20 and 103,815,356.80

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Solution

The fourth proportional to 103,815,356.80, 155,723,035.20 and 103,815,356.80 is: 155,723,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,815,356.80 : 155,723,035.20 = 103,815,356.80 : x
  2. Step 2: Convert to fraction form
    103,815,356.80/155,723,035.20 = 103,815,356.80/x
  3. Step 3: Cross multiply
    103,815,356.80x = 155,723,035.20 × 103,815,356.80
  4. Step 4: Simplify right side
    103,815,356.80x = 16,166,442,461,266,958
  5. Step 5: Solve for x
    x = 16,166,442,461,266,958/103,815,356.80
  6. Step 6: Final answer
    x = 155,723,035.20

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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.