Home / 111,022,778.40-153,227,460-63,970,840.32

Finding the Fourth Proportional to 111,022,778.40, 153,227,460 and 63,970,840.32

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Solution

The fourth proportional to 111,022,778.40, 153,227,460 and 63,970,840.32 is: 88,288,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,022,778.40 : 153,227,460 = 63,970,840.32 : x
  2. Step 2: Convert to fraction form
    111,022,778.40/153,227,460 = 63,970,840.32/x
  3. Step 3: Cross multiply
    111,022,778.40x = 153,227,460 × 63,970,840.32
  4. Step 4: Simplify right side
    111,022,778.40x = 9,802,089,376,299,188
  5. Step 5: Solve for x
    x = 9,802,089,376,299,188/111,022,778.40
  6. Step 6: Final answer
    x = 88,288,993.64

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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.