Home / 139,923,126.60-193,094,586.06-77,199,221.00

Finding the Fourth Proportional to 139,923,126.60, 193,094,586.06 and 77,199,221.00

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Solution

The fourth proportional to 139,923,126.60, 193,094,586.06 and 77,199,221.00 is: 106,535,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,923,126.60 : 193,094,586.06 = 77,199,221.00 : x
  2. Step 2: Convert to fraction form
    139,923,126.60/193,094,586.06 = 77,199,221.00/x
  3. Step 3: Cross multiply
    139,923,126.60x = 193,094,586.06 × 77,199,221.00
  4. Step 4: Simplify right side
    139,923,126.60x = 14,906,751,622,183,988
  5. Step 5: Solve for x
    x = 14,906,751,622,183,988/139,923,126.60
  6. Step 6: Final answer
    x = 106,535,295.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.