Home / 190,219,017.05-285,238,580.37-73,688,952.55

Finding the Fourth Proportional to 190,219,017.05, 285,238,580.37 and 73,688,952.55

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Solution

The fourth proportional to 190,219,017.05, 285,238,580.37 and 73,688,952.55 is: 110,498,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,219,017.05 : 285,238,580.37 = 73,688,952.55 : x
  2. Step 2: Convert to fraction form
    190,219,017.05/285,238,580.37 = 73,688,952.55/x
  3. Step 3: Cross multiply
    190,219,017.05x = 285,238,580.37 × 73,688,952.55
  4. Step 4: Simplify right side
    190,219,017.05x = 21,018,932,212,888,100
  5. Step 5: Solve for x
    x = 21,018,932,212,888,100/190,219,017.05
  6. Step 6: Final answer
    x = 110,498,584.94

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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.