Home / 111,022,866.85-153,227,590.10-63,970,932.21

Finding the Fourth Proportional to 111,022,866.85, 153,227,590.10 and 63,970,932.21

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Solution

The fourth proportional to 111,022,866.85, 153,227,590.10 and 63,970,932.21 is: 88,289,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,022,866.85 : 153,227,590.10 = 63,970,932.21 : x
  2. Step 2: Convert to fraction form
    111,022,866.85/153,227,590.10 = 63,970,932.21/x
  3. Step 3: Cross multiply
    111,022,866.85x = 153,227,590.10 × 63,970,932.21
  4. Step 4: Simplify right side
    111,022,866.85x = 9,802,111,778,668,912
  5. Step 5: Solve for x
    x = 9,802,111,778,668,912/111,022,866.85
  6. Step 6: Final answer
    x = 88,289,125.09

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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.