Home / 127,109,047.28-190,408,349.63-107,594,708.72

Finding the Fourth Proportional to 127,109,047.28, 190,408,349.63 and 107,594,708.72

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Solution

The fourth proportional to 127,109,047.28, 190,408,349.63 and 107,594,708.72 is: 161,176,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109,047.28 : 190,408,349.63 = 107,594,708.72 : x
  2. Step 2: Convert to fraction form
    127,109,047.28/190,408,349.63 = 107,594,708.72/x
  3. Step 3: Cross multiply
    127,109,047.28x = 190,408,349.63 × 107,594,708.72
  4. Step 4: Simplify right side
    127,109,047.28x = 20,486,930,915,612,716
  5. Step 5: Solve for x
    x = 20,486,930,915,612,716/127,109,047.28
  6. Step 6: Final answer
    x = 161,176,024.48

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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.