Home / 131,201,701.80-196,803,288.36-43,762,978.83

Finding the Fourth Proportional to 131,201,701.80, 196,803,288.36 and 43,762,978.83

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Solution

The fourth proportional to 131,201,701.80, 196,803,288.36 and 43,762,978.83 is: 65,644,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,201,701.80 : 196,803,288.36 = 43,762,978.83 : x
  2. Step 2: Convert to fraction form
    131,201,701.80/196,803,288.36 = 43,762,978.83/x
  3. Step 3: Cross multiply
    131,201,701.80x = 196,803,288.36 × 43,762,978.83
  4. Step 4: Simplify right side
    131,201,701.80x = 8,612,698,142,173,066
  5. Step 5: Solve for x
    x = 8,612,698,142,173,066/131,201,701.80
  6. Step 6: Final answer
    x = 65,644,713.63

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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.