Home / 131,220,103.40-196,830,155.10-97,207,879.40

Finding the Fourth Proportional to 131,220,103.40, 196,830,155.10 and 97,207,879.40

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Solution

The fourth proportional to 131,220,103.40, 196,830,155.10 and 97,207,879.40 is: 145,811,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,103.40 : 196,830,155.10 = 97,207,879.40 : x
  2. Step 2: Convert to fraction form
    131,220,103.40/196,830,155.10 = 97,207,879.40/x
  3. Step 3: Cross multiply
    131,220,103.40x = 196,830,155.10 × 97,207,879.40
  4. Step 4: Simplify right side
    131,220,103.40x = 19,133,441,979,244,096
  5. Step 5: Solve for x
    x = 19,133,441,979,244,096/131,220,103.40
  6. Step 6: Final answer
    x = 145,811,819.10

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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.