Home / 122,733,518.04-169,372,210.16-66,978,938.58

Finding the Fourth Proportional to 122,733,518.04, 169,372,210.16 and 66,978,938.58

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Solution

The fourth proportional to 122,733,518.04, 169,372,210.16 and 66,978,938.58 is: 92,430,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,733,518.04 : 169,372,210.16 = 66,978,938.58 : x
  2. Step 2: Convert to fraction form
    122,733,518.04/169,372,210.16 = 66,978,938.58/x
  3. Step 3: Cross multiply
    122,733,518.04x = 169,372,210.16 × 66,978,938.58
  4. Step 4: Simplify right side
    122,733,518.04x = 11,344,370,861,465,492
  5. Step 5: Solve for x
    x = 11,344,370,861,465,492/122,733,518.04
  6. Step 6: Final answer
    x = 92,430,910.83

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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.