Home / 152,692,947.84-229,140,198.72-80,939,752.32

Finding the Fourth Proportional to 152,692,947.84, 229,140,198.72 and 80,939,752.32

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Solution

The fourth proportional to 152,692,947.84, 229,140,198.72 and 80,939,752.32 is: 121,463,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,692,947.84 : 229,140,198.72 = 80,939,752.32 : x
  2. Step 2: Convert to fraction form
    152,692,947.84/229,140,198.72 = 80,939,752.32/x
  3. Step 3: Cross multiply
    152,692,947.84x = 229,140,198.72 × 80,939,752.32
  4. Step 4: Simplify right side
    152,692,947.84x = 18,546,550,930,952,380
  5. Step 5: Solve for x
    x = 18,546,550,930,952,380/152,692,947.84
  6. Step 6: Final answer
    x = 121,463,048.51

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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.