Home / 79,243,329.40-118,753,019.70-48,860,942.20

Finding the Fourth Proportional to 79,243,329.40, 118,753,019.70 and 48,860,942.20

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Solution

The fourth proportional to 79,243,329.40, 118,753,019.70 and 48,860,942.20 is: 73,222,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243,329.40 : 118,753,019.70 = 48,860,942.20 : x
  2. Step 2: Convert to fraction form
    79,243,329.40/118,753,019.70 = 48,860,942.20/x
  3. Step 3: Cross multiply
    79,243,329.40x = 118,753,019.70 × 48,860,942.20
  4. Step 4: Simplify right side
    79,243,329.40x = 5,802,384,431,637,162
  5. Step 5: Solve for x
    x = 5,802,384,431,637,162/79,243,329.40
  6. Step 6: Final answer
    x = 73,222,370.58

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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.