Home / 146,567,354.40-219,950,564.40-81,871,034.40

Finding the Fourth Proportional to 146,567,354.40, 219,950,564.40 and 81,871,034.40

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Solution

The fourth proportional to 146,567,354.40, 219,950,564.40 and 81,871,034.40 is: 122,862,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,567,354.40 : 219,950,564.40 = 81,871,034.40 : x
  2. Step 2: Convert to fraction form
    146,567,354.40/219,950,564.40 = 81,871,034.40/x
  3. Step 3: Cross multiply
    146,567,354.40x = 219,950,564.40 × 81,871,034.40
  4. Step 4: Simplify right side
    146,567,354.40x = 18,007,580,224,291,818
  5. Step 5: Solve for x
    x = 18,007,580,224,291,818/146,567,354.40
  6. Step 6: Final answer
    x = 122,862,149.61

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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.