Home / 142,878,143,838.48-214,317,215,683.89-53,348,129,065.73

Finding the Fourth Proportional to 142,878,143,838.48, 214,317,215,683.89 and 53,348,129,065.73

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Solution

The fourth proportional to 142,878,143,838.48, 214,317,215,683.89 and 53,348,129,065.73 is: 80,022,193,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878,143,838.48 : 214,317,215,683.89 = 53,348,129,065.73 : x
  2. Step 2: Convert to fraction form
    142,878,143,838.48/214,317,215,683.89 = 53,348,129,065.73/x
  3. Step 3: Cross multiply
    142,878,143,838.48x = 214,317,215,683.89 × 53,348,129,065.73
  4. Step 4: Simplify right side
    142,878,143,838.48x = 11,433,422,483,310,986,133,504
  5. Step 5: Solve for x
    x = 11,433,422,483,310,986,133,504/142,878,143,838.48
  6. Step 6: Final answer
    x = 80,022,193,571.02

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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.