Home / 166,170,305.12-229,323,800.16-100,111,598.40

Finding the Fourth Proportional to 166,170,305.12, 229,323,800.16 and 100,111,598.40

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Solution

The fourth proportional to 166,170,305.12, 229,323,800.16 and 100,111,598.40 is: 138,159,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,170,305.12 : 229,323,800.16 = 100,111,598.40 : x
  2. Step 2: Convert to fraction form
    166,170,305.12/229,323,800.16 = 100,111,598.40/x
  3. Step 3: Cross multiply
    166,170,305.12x = 229,323,800.16 × 100,111,598.40
  4. Step 4: Simplify right side
    166,170,305.12x = 22,957,972,185,179,776
  5. Step 5: Solve for x
    x = 22,957,972,185,179,776/166,170,305.12
  6. Step 6: Final answer
    x = 138,159,294.88

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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.