Home / 159,872,406.60-239,489,745.30-111,404,987.40

Finding the Fourth Proportional to 159,872,406.60, 239,489,745.30 and 111,404,987.40

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Solution

The fourth proportional to 159,872,406.60, 239,489,745.30 and 111,404,987.40 is: 166,885,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,872,406.60 : 239,489,745.30 = 111,404,987.40 : x
  2. Step 2: Convert to fraction form
    159,872,406.60/239,489,745.30 = 111,404,987.40/x
  3. Step 3: Cross multiply
    159,872,406.60x = 239,489,745.30 × 111,404,987.40
  4. Step 4: Simplify right side
    159,872,406.60x = 26,680,352,057,575,712
  5. Step 5: Solve for x
    x = 26,680,352,057,575,712/159,872,406.60
  6. Step 6: Final answer
    x = 166,885,284.49

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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.