Home / 142,637,610.20-213,956,415.30-141,293,917.40

Finding the Fourth Proportional to 142,637,610.20, 213,956,415.30 and 141,293,917.40

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Solution

The fourth proportional to 142,637,610.20, 213,956,415.30 and 141,293,917.40 is: 211,940,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,637,610.20 : 213,956,415.30 = 141,293,917.40 : x
  2. Step 2: Convert to fraction form
    142,637,610.20/213,956,415.30 = 141,293,917.40/x
  3. Step 3: Cross multiply
    142,637,610.20x = 213,956,415.30 × 141,293,917.40
  4. Step 4: Simplify right side
    142,637,610.20x = 30,230,740,070,598,300
  5. Step 5: Solve for x
    x = 30,230,740,070,598,300/142,637,610.20
  6. Step 6: Final answer
    x = 211,940,876.10

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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.