Home / 127,774,442.12-191,584,899.46-49,958,638.39

Finding the Fourth Proportional to 127,774,442.12, 191,584,899.46 and 49,958,638.39

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Solution

The fourth proportional to 127,774,442.12, 191,584,899.46 and 49,958,638.39 is: 74,907,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,774,442.12 : 191,584,899.46 = 49,958,638.39 : x
  2. Step 2: Convert to fraction form
    127,774,442.12/191,584,899.46 = 49,958,638.39/x
  3. Step 3: Cross multiply
    127,774,442.12x = 191,584,899.46 × 49,958,638.39
  4. Step 4: Simplify right side
    127,774,442.12x = 9,571,320,711,898,928
  5. Step 5: Solve for x
    x = 9,571,320,711,898,928/127,774,442.12
  6. Step 6: Final answer
    x = 74,907,943.66

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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.