Home / 163,619,641,936.86-245,212,493,259.69-84,027,976,676.70

Finding the Fourth Proportional to 163,619,641,936.86, 245,212,493,259.69 and 84,027,976,676.70

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Solution

The fourth proportional to 163,619,641,936.86, 245,212,493,259.69 and 84,027,976,676.70 is: 125,930,538,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,619,641,936.86 : 245,212,493,259.69 = 84,027,976,676.70 : x
  2. Step 2: Convert to fraction form
    163,619,641,936.86/245,212,493,259.69 = 84,027,976,676.70/x
  3. Step 3: Cross multiply
    163,619,641,936.86x = 245,212,493,259.69 × 84,027,976,676.70
  4. Step 4: Simplify right side
    163,619,641,936.86x = 20,604,709,664,460,688,588,800
  5. Step 5: Solve for x
    x = 20,604,709,664,460,688,588,800/163,619,641,936.86
  6. Step 6: Final answer
    x = 125,930,538,782.21

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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.