Home / 162,305,208.32-223,850,586.84-142,684,144.16

Finding the Fourth Proportional to 162,305,208.32, 223,850,586.84 and 142,684,144.16

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Solution

The fourth proportional to 162,305,208.32, 223,850,586.84 and 142,684,144.16 is: 196,789,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,305,208.32 : 223,850,586.84 = 142,684,144.16 : x
  2. Step 2: Convert to fraction form
    162,305,208.32/223,850,586.84 = 142,684,144.16/x
  3. Step 3: Cross multiply
    162,305,208.32x = 223,850,586.84 × 142,684,144.16
  4. Step 4: Simplify right side
    162,305,208.32x = 31,939,929,402,979,160
  5. Step 5: Solve for x
    x = 31,939,929,402,979,160/162,305,208.32
  6. Step 6: Final answer
    x = 196,789,306.60

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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.