Home / 127,810,939.80-191,716,409.70-107,403,605.40

Finding the Fourth Proportional to 127,810,939.80, 191,716,409.70 and 107,403,605.40

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Solution

The fourth proportional to 127,810,939.80, 191,716,409.70 and 107,403,605.40 is: 161,105,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,810,939.80 : 191,716,409.70 = 107,403,605.40 : x
  2. Step 2: Convert to fraction form
    127,810,939.80/191,716,409.70 = 107,403,605.40/x
  3. Step 3: Cross multiply
    127,810,939.80x = 191,716,409.70 × 107,403,605.40
  4. Step 4: Simplify right side
    127,810,939.80x = 20,591,033,616,123,532
  5. Step 5: Solve for x
    x = 20,591,033,616,123,532/127,810,939.80
  6. Step 6: Final answer
    x = 161,105,408.10

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1.5x scale

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.