Home / 122,182,677.76-168,615,603.84-74,500,729.36

Finding the Fourth Proportional to 122,182,677.76, 168,615,603.84 and 74,500,729.36

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Solution

The fourth proportional to 122,182,677.76, 168,615,603.84 and 74,500,729.36 is: 102,813,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,182,677.76 : 168,615,603.84 = 74,500,729.36 : x
  2. Step 2: Convert to fraction form
    122,182,677.76/168,615,603.84 = 74,500,729.36/x
  3. Step 3: Cross multiply
    122,182,677.76x = 168,615,603.84 × 74,500,729.36
  4. Step 4: Simplify right side
    122,182,677.76x = 12,561,985,467,556,816
  5. Step 5: Solve for x
    x = 12,561,985,467,556,816/122,182,677.76
  6. Step 6: Final answer
    x = 102,813,145.84

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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.