Home / 143,138,853.60-214,708,280.40-120,967,922.40

Finding the Fourth Proportional to 143,138,853.60, 214,708,280.40 and 120,967,922.40

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Solution

The fourth proportional to 143,138,853.60, 214,708,280.40 and 120,967,922.40 is: 181,451,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,138,853.60 : 214,708,280.40 = 120,967,922.40 : x
  2. Step 2: Convert to fraction form
    143,138,853.60/214,708,280.40 = 120,967,922.40/x
  3. Step 3: Cross multiply
    143,138,853.60x = 214,708,280.40 × 120,967,922.40
  4. Step 4: Simplify right side
    143,138,853.60x = 25,972,814,602,064,644
  5. Step 5: Solve for x
    x = 25,972,814,602,064,644/143,138,853.60
  6. Step 6: Final answer
    x = 181,451,883.60

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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.