Home / 122,498,293.60-169,045,516.56-66,744,172.16

Finding the Fourth Proportional to 122,498,293.60, 169,045,516.56 and 66,744,172.16

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Solution

The fourth proportional to 122,498,293.60, 169,045,516.56 and 66,744,172.16 is: 92,105,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,498,293.60 : 169,045,516.56 = 66,744,172.16 : x
  2. Step 2: Convert to fraction form
    122,498,293.60/169,045,516.56 = 66,744,172.16/x
  3. Step 3: Cross multiply
    122,498,293.60x = 169,045,516.56 × 66,744,172.16
  4. Step 4: Simplify right side
    122,498,293.60x = 11,282,803,060,156,770
  5. Step 5: Solve for x
    x = 11,282,803,060,156,770/122,498,293.60
  6. Step 6: Final answer
    x = 92,105,797.79

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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.