Home / 122,576,301.92-169,156,437.72-67,574,126.72

Finding the Fourth Proportional to 122,576,301.92, 169,156,437.72 and 67,574,126.72

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Solution

The fourth proportional to 122,576,301.92, 169,156,437.72 and 67,574,126.72 is: 93,252,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,576,301.92 : 169,156,437.72 = 67,574,126.72 : x
  2. Step 2: Convert to fraction form
    122,576,301.92/169,156,437.72 = 67,574,126.72/x
  3. Step 3: Cross multiply
    122,576,301.92x = 169,156,437.72 × 67,574,126.72
  4. Step 4: Simplify right side
    122,576,301.92x = 11,430,598,557,995,068
  5. Step 5: Solve for x
    x = 11,430,598,557,995,068/122,576,301.92
  6. Step 6: Final answer
    x = 93,252,923.93

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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.