Home / 112,464,029.70-168,360,121.35-67,002,423.30

Finding the Fourth Proportional to 112,464,029.70, 168,360,121.35 and 67,002,423.30

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Solution

The fourth proportional to 112,464,029.70, 168,360,121.35 and 67,002,423.30 is: 100,303,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464,029.70 : 168,360,121.35 = 67,002,423.30 : x
  2. Step 2: Convert to fraction form
    112,464,029.70/168,360,121.35 = 67,002,423.30/x
  3. Step 3: Cross multiply
    112,464,029.70x = 168,360,121.35 × 67,002,423.30
  4. Step 4: Simplify right side
    112,464,029.70x = 11,280,536,117,532,066
  5. Step 5: Solve for x
    x = 11,280,536,117,532,066/112,464,029.70
  6. Step 6: Final answer
    x = 100,303,502.80

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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.