Home / 122,724,945.17-169,364,023.66-66,973,965.26

Finding the Fourth Proportional to 122,724,945.17, 169,364,023.66 and 66,973,965.26

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Solution

The fourth proportional to 122,724,945.17, 169,364,023.66 and 66,973,965.26 is: 92,426,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,724,945.17 : 169,364,023.66 = 66,973,965.26 : x
  2. Step 2: Convert to fraction form
    122,724,945.17/169,364,023.66 = 66,973,965.26/x
  3. Step 3: Cross multiply
    122,724,945.17x = 169,364,023.66 × 66,973,965.26
  4. Step 4: Simplify right side
    122,724,945.17x = 11,342,980,237,708,510
  5. Step 5: Solve for x
    x = 11,342,980,237,708,510/122,724,945.17
  6. Step 6: Final answer
    x = 92,426,036.30

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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.