Home / 65,180,912.63-90,029,235.88-48,733,976.19

Finding the Fourth Proportional to 65,180,912.63, 90,029,235.88 and 48,733,976.19

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Solution

The fourth proportional to 65,180,912.63, 90,029,235.88 and 48,733,976.19 is: 67,312,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180,912.63 : 90,029,235.88 = 48,733,976.19 : x
  2. Step 2: Convert to fraction form
    65,180,912.63/90,029,235.88 = 48,733,976.19/x
  3. Step 3: Cross multiply
    65,180,912.63x = 90,029,235.88 × 48,733,976.19
  4. Step 4: Simplify right side
    65,180,912.63x = 4,387,482,638,178,340.50
  5. Step 5: Solve for x
    x = 4,387,482,638,178,340.50/65,180,912.63
  6. Step 6: Final answer
    x = 67,312,384.28

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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.