Home / 131,819,320.80-197,784,968.40-63,626,911.20

Finding the Fourth Proportional to 131,819,320.80, 197,784,968.40 and 63,626,911.20

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Solution

The fourth proportional to 131,819,320.80, 197,784,968.40 and 63,626,911.20 is: 95,467,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,819,320.80 : 197,784,968.40 = 63,626,911.20 : x
  2. Step 2: Convert to fraction form
    131,819,320.80/197,784,968.40 = 63,626,911.20/x
  3. Step 3: Cross multiply
    131,819,320.80x = 197,784,968.40 × 63,626,911.20
  4. Step 4: Simplify right side
    131,819,320.80x = 12,584,446,621,081,608
  5. Step 5: Solve for x
    x = 12,584,446,621,081,608/131,819,320.80
  6. Step 6: Final answer
    x = 95,467,390.86

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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.