Home / 64,992,030.21-89,698,198.49-40,220,195.07

Finding the Fourth Proportional to 64,992,030.21, 89,698,198.49 and 40,220,195.07

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Solution

The fourth proportional to 64,992,030.21, 89,698,198.49 and 40,220,195.07 is: 55,509,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992,030.21 : 89,698,198.49 = 40,220,195.07 : x
  2. Step 2: Convert to fraction form
    64,992,030.21/89,698,198.49 = 40,220,195.07/x
  3. Step 3: Cross multiply
    64,992,030.21x = 89,698,198.49 × 40,220,195.07
  4. Step 4: Simplify right side
    64,992,030.21x = 3,607,679,040,695,379.50
  5. Step 5: Solve for x
    x = 3,607,679,040,695,379.50/64,992,030.21
  6. Step 6: Final answer
    x = 55,509,560.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.