Home / 64,992,084-89,689,076.88-36,020,574.24

Finding the Fourth Proportional to 64,992,084, 89,689,076.88 and 36,020,574.24

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Solution

The fourth proportional to 64,992,084, 89,689,076.88 and 36,020,574.24 is: 49,708,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992,084 : 89,689,076.88 = 36,020,574.24 : x
  2. Step 2: Convert to fraction form
    64,992,084/89,689,076.88 = 36,020,574.24/x
  3. Step 3: Cross multiply
    64,992,084x = 89,689,076.88 × 36,020,574.24
  4. Step 4: Simplify right side
    64,992,084x = 3,230,652,052,273,107.50
  5. Step 5: Solve for x
    x = 3,230,652,052,273,107.50/64,992,084
  6. Step 6: Final answer
    x = 49,708,392.98

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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.