Home / 131,520,719.40-197,281,079.10-35,782,607.40

Finding the Fourth Proportional to 131,520,719.40, 197,281,079.10 and 35,782,607.40

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Solution

The fourth proportional to 131,520,719.40, 197,281,079.10 and 35,782,607.40 is: 53,673,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520,719.40 : 197,281,079.10 = 35,782,607.40 : x
  2. Step 2: Convert to fraction form
    131,520,719.40/197,281,079.10 = 35,782,607.40/x
  3. Step 3: Cross multiply
    131,520,719.40x = 197,281,079.10 × 35,782,607.40
  4. Step 4: Simplify right side
    131,520,719.40x = 7,059,231,400,883,645
  5. Step 5: Solve for x
    x = 7,059,231,400,883,645/131,520,719.40
  6. Step 6: Final answer
    x = 53,673,911.10

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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.