Home / 114,996,872.70-172,495,309.05-69,647,240.70

Finding the Fourth Proportional to 114,996,872.70, 172,495,309.05 and 69,647,240.70

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Solution

The fourth proportional to 114,996,872.70, 172,495,309.05 and 69,647,240.70 is: 104,470,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,996,872.70 : 172,495,309.05 = 69,647,240.70 : x
  2. Step 2: Convert to fraction form
    114,996,872.70/172,495,309.05 = 69,647,240.70/x
  3. Step 3: Cross multiply
    114,996,872.70x = 172,495,309.05 × 69,647,240.70
  4. Step 4: Simplify right side
    114,996,872.70x = 12,013,822,309,026,240
  5. Step 5: Solve for x
    x = 12,013,822,309,026,240/114,996,872.70
  6. Step 6: Final answer
    x = 104,470,861.05

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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.