Home / 122,501,307.38-169,049,666.35-66,747,189.28

Finding the Fourth Proportional to 122,501,307.38, 169,049,666.35 and 66,747,189.28

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Solution

The fourth proportional to 122,501,307.38, 169,049,666.35 and 66,747,189.28 is: 92,109,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,501,307.38 : 169,049,666.35 = 66,747,189.28 : x
  2. Step 2: Convert to fraction form
    122,501,307.38/169,049,666.35 = 66,747,189.28/x
  3. Step 3: Cross multiply
    122,501,307.38x = 169,049,666.35 × 66,747,189.28
  4. Step 4: Simplify right side
    122,501,307.38x = 11,283,590,077,562,074
  5. Step 5: Solve for x
    x = 11,283,590,077,562,074/122,501,307.38
  6. Step 6: Final answer
    x = 92,109,956.37

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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.