Home / 122,735,584.41-169,378,697.34-66,984,580.64

Finding the Fourth Proportional to 122,735,584.41, 169,378,697.34 and 66,984,580.64

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Solution

The fourth proportional to 122,735,584.41, 169,378,697.34 and 66,984,580.64 is: 92,440,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735,584.41 : 169,378,697.34 = 66,984,580.64 : x
  2. Step 2: Convert to fraction form
    122,735,584.41/169,378,697.34 = 66,984,580.64/x
  3. Step 3: Cross multiply
    122,735,584.41x = 169,378,697.34 × 66,984,580.64
  4. Step 4: Simplify right side
    122,735,584.41x = 11,345,761,009,822,490
  5. Step 5: Solve for x
    x = 11,345,761,009,822,490/122,735,584.41
  6. Step 6: Final answer
    x = 92,440,681.03

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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.