Home / 64,645,261.57-89,212,344.93-35,278,485.67

Finding the Fourth Proportional to 64,645,261.57, 89,212,344.93 and 35,278,485.67

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Solution

The fourth proportional to 64,645,261.57, 89,212,344.93 and 35,278,485.67 is: 48,685,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645,261.57 : 89,212,344.93 = 35,278,485.67 : x
  2. Step 2: Convert to fraction form
    64,645,261.57/89,212,344.93 = 35,278,485.67/x
  3. Step 3: Cross multiply
    64,645,261.57x = 89,212,344.93 × 35,278,485.67
  4. Step 4: Simplify right side
    64,645,261.57x = 3,147,276,432,200,102.50
  5. Step 5: Solve for x
    x = 3,147,276,432,200,102.50/64,645,261.57
  6. Step 6: Final answer
    x = 48,685,338.35

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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.