Home / 103,464,016.21-142,783,789.23-56,423,656.27

Finding the Fourth Proportional to 103,464,016.21, 142,783,789.23 and 56,423,656.27

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Solution

The fourth proportional to 103,464,016.21, 142,783,789.23 and 56,423,656.27 is: 77,866,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,016.21 : 142,783,789.23 = 56,423,656.27 : x
  2. Step 2: Convert to fraction form
    103,464,016.21/142,783,789.23 = 56,423,656.27/x
  3. Step 3: Cross multiply
    103,464,016.21x = 142,783,789.23 × 56,423,656.27
  4. Step 4: Simplify right side
    103,464,016.21x = 8,056,383,443,445,610
  5. Step 5: Solve for x
    x = 8,056,383,443,445,610/103,464,016.21
  6. Step 6: Final answer
    x = 77,866,525.38

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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.