Home / 191,314,315.96-286,800,582.32-74,702,542.44

Finding the Fourth Proportional to 191,314,315.96, 286,800,582.32 and 74,702,542.44

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Solution

The fourth proportional to 191,314,315.96, 286,800,582.32 and 74,702,542.44 is: 111,987,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,314,315.96 : 286,800,582.32 = 74,702,542.44 : x
  2. Step 2: Convert to fraction form
    191,314,315.96/286,800,582.32 = 74,702,542.44/x
  3. Step 3: Cross multiply
    191,314,315.96x = 286,800,582.32 × 74,702,542.44
  4. Step 4: Simplify right side
    191,314,315.96x = 21,424,732,670,769,000
  5. Step 5: Solve for x
    x = 21,424,732,670,769,000/191,314,315.96
  6. Step 6: Final answer
    x = 111,987,085.56

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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.