Home / 138,806,390.23-191,552,820.58-76,930,714.60

Finding the Fourth Proportional to 138,806,390.23, 191,552,820.58 and 76,930,714.60

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Solution

The fourth proportional to 138,806,390.23, 191,552,820.58 and 76,930,714.60 is: 106,164,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,806,390.23 : 191,552,820.58 = 76,930,714.60 : x
  2. Step 2: Convert to fraction form
    138,806,390.23/191,552,820.58 = 76,930,714.60/x
  3. Step 3: Cross multiply
    138,806,390.23x = 191,552,820.58 × 76,930,714.60
  4. Step 4: Simplify right side
    138,806,390.23x = 14,736,295,370,864,986
  5. Step 5: Solve for x
    x = 14,736,295,370,864,986/138,806,390.23
  6. Step 6: Final answer
    x = 106,164,387.29

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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.