Home / 127,410,881.85-190,186,174.80-109,331,259.03

Finding the Fourth Proportional to 127,410,881.85, 190,186,174.80 and 109,331,259.03

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Solution

The fourth proportional to 127,410,881.85, 190,186,174.80 and 109,331,259.03 is: 163,198,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410,881.85 : 190,186,174.80 = 109,331,259.03 : x
  2. Step 2: Convert to fraction form
    127,410,881.85/190,186,174.80 = 109,331,259.03/x
  3. Step 3: Cross multiply
    127,410,881.85x = 190,186,174.80 × 109,331,259.03
  4. Step 4: Simplify right side
    127,410,881.85x = 20,793,293,940,983,660
  5. Step 5: Solve for x
    x = 20,793,293,940,983,660/127,410,881.85
  6. Step 6: Final answer
    x = 163,198,728.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.