Home / 103,464,015.71-142,783,788.53-56,423,655.77

Finding the Fourth Proportional to 103,464,015.71, 142,783,788.53 and 56,423,655.77

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Solution

The fourth proportional to 103,464,015.71, 142,783,788.53 and 56,423,655.77 is: 77,866,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,015.71 : 142,783,788.53 = 56,423,655.77 : x
  2. Step 2: Convert to fraction form
    103,464,015.71/142,783,788.53 = 56,423,655.77/x
  3. Step 3: Cross multiply
    103,464,015.71x = 142,783,788.53 × 56,423,655.77
  4. Step 4: Simplify right side
    103,464,015.71x = 8,056,383,332,980,335
  5. Step 5: Solve for x
    x = 8,056,383,332,980,335/103,464,015.71
  6. Step 6: Final answer
    x = 77,866,524.69

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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.