Home / 136,262,192.44-188,017,021.37-76,714,228.39

Finding the Fourth Proportional to 136,262,192.44, 188,017,021.37 and 76,714,228.39

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Solution

The fourth proportional to 136,262,192.44, 188,017,021.37 and 76,714,228.39 is: 105,851,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,262,192.44 : 188,017,021.37 = 76,714,228.39 : x
  2. Step 2: Convert to fraction form
    136,262,192.44/188,017,021.37 = 76,714,228.39/x
  3. Step 3: Cross multiply
    136,262,192.44x = 188,017,021.37 × 76,714,228.39
  4. Step 4: Simplify right side
    136,262,192.44x = 14,423,580,717,972,790
  5. Step 5: Solve for x
    x = 14,423,580,717,972,790/136,262,192.44
  6. Step 6: Final answer
    x = 105,851,670.67

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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.