Home / 143,733,621.40-215,600,432.10-40,102,626.40

Finding the Fourth Proportional to 143,733,621.40, 215,600,432.10 and 40,102,626.40

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Solution

The fourth proportional to 143,733,621.40, 215,600,432.10 and 40,102,626.40 is: 60,153,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,733,621.40 : 215,600,432.10 = 40,102,626.40 : x
  2. Step 2: Convert to fraction form
    143,733,621.40/215,600,432.10 = 40,102,626.40/x
  3. Step 3: Cross multiply
    143,733,621.40x = 215,600,432.10 × 40,102,626.40
  4. Step 4: Simplify right side
    143,733,621.40x = 8,646,143,580,184,867
  5. Step 5: Solve for x
    x = 8,646,143,580,184,867/143,733,621.40
  6. Step 6: Final answer
    x = 60,153,939.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.