Home / 122,735,591.45-169,378,707.05-66,984,587.67

Finding the Fourth Proportional to 122,735,591.45, 169,378,707.05 and 66,984,587.67

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Solution

The fourth proportional to 122,735,591.45, 169,378,707.05 and 66,984,587.67 is: 92,440,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735,591.45 : 169,378,707.05 = 66,984,587.67 : x
  2. Step 2: Convert to fraction form
    122,735,591.45/169,378,707.05 = 66,984,587.67/x
  3. Step 3: Cross multiply
    122,735,591.45x = 169,378,707.05 × 66,984,587.67
  4. Step 4: Simplify right side
    122,735,591.45x = 11,345,762,851,487,048
  5. Step 5: Solve for x
    x = 11,345,762,851,487,048/122,735,591.45
  6. Step 6: Final answer
    x = 92,440,690.74

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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.