Home / 122,079,501-168,428,044.98-75,652,815.24

Finding the Fourth Proportional to 122,079,501, 168,428,044.98 and 75,652,815.24

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Solution

The fourth proportional to 122,079,501, 168,428,044.98 and 75,652,815.24 is: 104,375,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,079,501 : 168,428,044.98 = 75,652,815.24 : x
  2. Step 2: Convert to fraction form
    122,079,501/168,428,044.98 = 75,652,815.24/x
  3. Step 3: Cross multiply
    122,079,501x = 168,428,044.98 × 75,652,815.24
  4. Step 4: Simplify right side
    122,079,501x = 12,742,055,768,106,348
  5. Step 5: Solve for x
    x = 12,742,055,768,106,348/122,079,501
  6. Step 6: Final answer
    x = 104,375,064.31

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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.