Home / 130,722,687.86-195,900,511.70-103,308,464.66

Finding the Fourth Proportional to 130,722,687.86, 195,900,511.70 and 103,308,464.66

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Solution

The fourth proportional to 130,722,687.86, 195,900,511.70 and 103,308,464.66 is: 154,817,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,722,687.86 : 195,900,511.70 = 103,308,464.66 : x
  2. Step 2: Convert to fraction form
    130,722,687.86/195,900,511.70 = 103,308,464.66/x
  3. Step 3: Cross multiply
    130,722,687.86x = 195,900,511.70 × 103,308,464.66
  4. Step 4: Simplify right side
    130,722,687.86x = 20,238,181,089,114,132
  5. Step 5: Solve for x
    x = 20,238,181,089,114,132/130,722,687.86
  6. Step 6: Final answer
    x = 154,817,663.42

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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.