Home / 75,203,751.38-112,805,628.28-49,638,781.67

Finding the Fourth Proportional to 75,203,751.38, 112,805,628.28 and 49,638,781.67

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Solution

The fourth proportional to 75,203,751.38, 112,805,628.28 and 49,638,781.67 is: 74,458,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,203,751.38 : 112,805,628.28 = 49,638,781.67 : x
  2. Step 2: Convert to fraction form
    75,203,751.38/112,805,628.28 = 49,638,781.67/x
  3. Step 3: Cross multiply
    75,203,751.38x = 112,805,628.28 × 49,638,781.67
  4. Step 4: Simplify right side
    75,203,751.38x = 5,599,533,952,649,973
  5. Step 5: Solve for x
    x = 5,599,533,952,649,973/75,203,751.38
  6. Step 6: Final answer
    x = 74,458,173.30

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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.