Home / 197,207,781.90-295,244,802.45-120,680,277.90

Finding the Fourth Proportional to 197,207,781.90, 295,244,802.45 and 120,680,277.90

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Solution

The fourth proportional to 197,207,781.90, 295,244,802.45 and 120,680,277.90 is: 180,673,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,207,781.90 : 295,244,802.45 = 120,680,277.90 : x
  2. Step 2: Convert to fraction form
    197,207,781.90/295,244,802.45 = 120,680,277.90/x
  3. Step 3: Cross multiply
    197,207,781.90x = 295,244,802.45 × 120,680,277.90
  4. Step 4: Simplify right side
    197,207,781.90x = 35,630,224,808,196,600
  5. Step 5: Solve for x
    x = 35,630,224,808,196,600/197,207,781.90
  6. Step 6: Final answer
    x = 180,673,523.45

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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.