Home / 131,765,991.40-197,648,987.10-97,753,767.40

Finding the Fourth Proportional to 131,765,991.40, 197,648,987.10 and 97,753,767.40

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Solution

The fourth proportional to 131,765,991.40, 197,648,987.10 and 97,753,767.40 is: 146,630,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,765,991.40 : 197,648,987.10 = 97,753,767.40 : x
  2. Step 2: Convert to fraction form
    131,765,991.40/197,648,987.10 = 97,753,767.40/x
  3. Step 3: Cross multiply
    131,765,991.40x = 197,648,987.10 × 97,753,767.40
  4. Step 4: Simplify right side
    131,765,991.40x = 19,320,933,111,819,000
  5. Step 5: Solve for x
    x = 19,320,933,111,819,000/131,765,991.40
  6. Step 6: Final answer
    x = 146,630,651.10

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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.