Home / 111,154,520.20-153,394,151.75-61,595,721.52

Finding the Fourth Proportional to 111,154,520.20, 153,394,151.75 and 61,595,721.52

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Solution

The fourth proportional to 111,154,520.20, 153,394,151.75 and 61,595,721.52 is: 85,002,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154,520.20 : 153,394,151.75 = 61,595,721.52 : x
  2. Step 2: Convert to fraction form
    111,154,520.20/153,394,151.75 = 61,595,721.52/x
  3. Step 3: Cross multiply
    111,154,520.20x = 153,394,151.75 × 61,595,721.52
  4. Step 4: Simplify right side
    111,154,520.20x = 9,448,423,453,989,622
  5. Step 5: Solve for x
    x = 9,448,423,453,989,622/111,154,520.20
  6. Step 6: Final answer
    x = 85,002,602.12

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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.