Home / 103,464,016.71-142,783,789.92-56,423,656.77

Finding the Fourth Proportional to 103,464,016.71, 142,783,789.92 and 56,423,656.77

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Solution

The fourth proportional to 103,464,016.71, 142,783,789.92 and 56,423,656.77 is: 77,866,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,016.71 : 142,783,789.92 = 56,423,656.77 : x
  2. Step 2: Convert to fraction form
    103,464,016.71/142,783,789.92 = 56,423,656.77/x
  3. Step 3: Cross multiply
    103,464,016.71x = 142,783,789.92 × 56,423,656.77
  4. Step 4: Simplify right side
    103,464,016.71x = 8,056,383,553,769,828
  5. Step 5: Solve for x
    x = 8,056,383,553,769,828/103,464,016.71
  6. Step 6: Final answer
    x = 77,866,526.07

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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.