Home / 74,300,554.92-111,437,877.24-19,718,658.84

Finding the Fourth Proportional to 74,300,554.92, 111,437,877.24 and 19,718,658.84

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Solution

The fourth proportional to 74,300,554.92, 111,437,877.24 and 19,718,658.84 is: 29,574,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,300,554.92 : 111,437,877.24 = 19,718,658.84 : x
  2. Step 2: Convert to fraction form
    74,300,554.92/111,437,877.24 = 19,718,658.84/x
  3. Step 3: Cross multiply
    74,300,554.92x = 111,437,877.24 × 19,718,658.84
  4. Step 4: Simplify right side
    74,300,554.92x = 2,197,405,483,149,360.75
  5. Step 5: Solve for x
    x = 2,197,405,483,149,360.75/74,300,554.92
  6. Step 6: Final answer
    x = 29,574,550.09

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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.