Home / 111,115,215.02-153,311,295.38-64,086,672.44

Finding the Fourth Proportional to 111,115,215.02, 153,311,295.38 and 64,086,672.44

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Solution

The fourth proportional to 111,115,215.02, 153,311,295.38 and 64,086,672.44 is: 88,423,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115,215.02 : 153,311,295.38 = 64,086,672.44 : x
  2. Step 2: Convert to fraction form
    111,115,215.02/153,311,295.38 = 64,086,672.44/x
  3. Step 3: Cross multiply
    111,115,215.02x = 153,311,295.38 × 64,086,672.44
  4. Step 4: Simplify right side
    111,115,215.02x = 9,825,210,768,370,144
  5. Step 5: Solve for x
    x = 9,825,210,768,370,144/111,115,215.02
  6. Step 6: Final answer
    x = 88,423,630.97

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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.