Home / 126,009,714.80-189,014,572.20-104,486,354.30

Finding the Fourth Proportional to 126,009,714.80, 189,014,572.20 and 104,486,354.30

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Solution

The fourth proportional to 126,009,714.80, 189,014,572.20 and 104,486,354.30 is: 156,729,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009,714.80 : 189,014,572.20 = 104,486,354.30 : x
  2. Step 2: Convert to fraction form
    126,009,714.80/189,014,572.20 = 104,486,354.30/x
  3. Step 3: Cross multiply
    126,009,714.80x = 189,014,572.20 × 104,486,354.30
  4. Step 4: Simplify right side
    126,009,714.80x = 19,749,443,558,752,128
  5. Step 5: Solve for x
    x = 19,749,443,558,752,128/126,009,714.80
  6. Step 6: Final answer
    x = 156,729,531.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.