Home / 143,134,420.60-214,701,630.90-120,963,489.40

Finding the Fourth Proportional to 143,134,420.60, 214,701,630.90 and 120,963,489.40

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Solution

The fourth proportional to 143,134,420.60, 214,701,630.90 and 120,963,489.40 is: 181,445,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134,420.60 : 214,701,630.90 = 120,963,489.40 : x
  2. Step 2: Convert to fraction form
    143,134,420.60/214,701,630.90 = 120,963,489.40/x
  3. Step 3: Cross multiply
    143,134,420.60x = 214,701,630.90 × 120,963,489.40
  4. Step 4: Simplify right side
    143,134,420.60x = 25,971,058,453,534,864
  5. Step 5: Solve for x
    x = 25,971,058,453,534,864/143,134,420.60
  6. Step 6: Final answer
    x = 181,445,234.10

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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.