Home / 127,817,164.80-191,725,747.20-107,409,830.40

Finding the Fourth Proportional to 127,817,164.80, 191,725,747.20 and 107,409,830.40

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Solution

The fourth proportional to 127,817,164.80, 191,725,747.20 and 107,409,830.40 is: 161,114,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,817,164.80 : 191,725,747.20 = 107,409,830.40 : x
  2. Step 2: Convert to fraction form
    127,817,164.80/191,725,747.20 = 107,409,830.40/x
  3. Step 3: Cross multiply
    127,817,164.80x = 191,725,747.20 × 107,409,830.40
  4. Step 4: Simplify right side
    127,817,164.80x = 20,593,229,990,065,276
  5. Step 5: Solve for x
    x = 20,593,229,990,065,276/127,817,164.80
  6. Step 6: Final answer
    x = 161,114,745.60

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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.