Home / 190,356,468.44-285,535,687.98-86,653,149.86

Finding the Fourth Proportional to 190,356,468.44, 285,535,687.98 and 86,653,149.86

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Solution

The fourth proportional to 190,356,468.44, 285,535,687.98 and 86,653,149.86 is: 129,980,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356,468.44 : 285,535,687.98 = 86,653,149.86 : x
  2. Step 2: Convert to fraction form
    190,356,468.44/285,535,687.98 = 86,653,149.86/x
  3. Step 3: Cross multiply
    190,356,468.44x = 285,535,687.98 × 86,653,149.86
  4. Step 4: Simplify right side
    190,356,468.44x = 24,742,566,759,481,464
  5. Step 5: Solve for x
    x = 24,742,566,759,481,464/190,356,468.44
  6. Step 6: Final answer
    x = 129,980,173.32

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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.