Home / 127,939,680.10-191,909,520.15-126,983,086.30

Finding the Fourth Proportional to 127,939,680.10, 191,909,520.15 and 126,983,086.30

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Solution

The fourth proportional to 127,939,680.10, 191,909,520.15 and 126,983,086.30 is: 190,474,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,680.10 : 191,909,520.15 = 126,983,086.30 : x
  2. Step 2: Convert to fraction form
    127,939,680.10/191,909,520.15 = 126,983,086.30/x
  3. Step 3: Cross multiply
    127,939,680.10x = 191,909,520.15 × 126,983,086.30
  4. Step 4: Simplify right side
    127,939,680.10x = 24,369,263,158,999,040
  5. Step 5: Solve for x
    x = 24,369,263,158,999,040/127,939,680.10
  6. Step 6: Final answer
    x = 190,474,629.45

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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.