Home / 140,722,562.72-211,110,361.06-53,310,261.32

Finding the Fourth Proportional to 140,722,562.72, 211,110,361.06 and 53,310,261.32

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Solution

The fourth proportional to 140,722,562.72, 211,110,361.06 and 53,310,261.32 is: 79,975,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,722,562.72 : 211,110,361.06 = 53,310,261.32 : x
  2. Step 2: Convert to fraction form
    140,722,562.72/211,110,361.06 = 53,310,261.32/x
  3. Step 3: Cross multiply
    140,722,562.72x = 211,110,361.06 × 53,310,261.32
  4. Step 4: Simplify right side
    140,722,562.72x = 11,254,348,515,468,152
  5. Step 5: Solve for x
    x = 11,254,348,515,468,152/140,722,562.72
  6. Step 6: Final answer
    x = 79,975,437.47

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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.