Home / 65,448,464.94-90,319,155.12-36,079,153.11

Finding the Fourth Proportional to 65,448,464.94, 90,319,155.12 and 36,079,153.11

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Solution

The fourth proportional to 65,448,464.94, 90,319,155.12 and 36,079,153.11 is: 49,789,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,464.94 : 90,319,155.12 = 36,079,153.11 : x
  2. Step 2: Convert to fraction form
    65,448,464.94/90,319,155.12 = 36,079,153.11/x
  3. Step 3: Cross multiply
    65,448,464.94x = 90,319,155.12 × 36,079,153.11
  4. Step 4: Simplify right side
    65,448,464.94x = 3,258,638,626,340,320.50
  5. Step 5: Solve for x
    x = 3,258,638,626,340,320.50/65,448,464.94
  6. Step 6: Final answer
    x = 49,789,382.06

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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.