Home / 74,342,912.37-102,587,204.34-42,982,973.39

Finding the Fourth Proportional to 74,342,912.37, 102,587,204.34 and 42,982,973.39

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Solution

The fourth proportional to 74,342,912.37, 102,587,204.34 and 42,982,973.39 is: 59,313,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342,912.37 : 102,587,204.34 = 42,982,973.39 : x
  2. Step 2: Convert to fraction form
    74,342,912.37/102,587,204.34 = 42,982,973.39/x
  3. Step 3: Cross multiply
    74,342,912.37x = 102,587,204.34 × 42,982,973.39
  4. Step 4: Simplify right side
    74,342,912.37x = 4,409,503,073,626,590.50
  5. Step 5: Solve for x
    x = 4,409,503,073,626,590.50/74,342,912.37
  6. Step 6: Final answer
    x = 59,313,025.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.