Home / 64,859,417.94-89,503,323.63-38,768,320.86

Finding the Fourth Proportional to 64,859,417.94, 89,503,323.63 and 38,768,320.86

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Solution

The fourth proportional to 64,859,417.94, 89,503,323.63 and 38,768,320.86 is: 53,498,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859,417.94 : 89,503,323.63 = 38,768,320.86 : x
  2. Step 2: Convert to fraction form
    64,859,417.94/89,503,323.63 = 38,768,320.86/x
  3. Step 3: Cross multiply
    64,859,417.94x = 89,503,323.63 × 38,768,320.86
  4. Step 4: Simplify right side
    64,859,417.94x = 3,469,893,568,524,259.50
  5. Step 5: Solve for x
    x = 3,469,893,568,524,259.50/64,859,417.94
  6. Step 6: Final answer
    x = 53,498,684.98

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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.