Home / 330,200,347.16-495,436,289.88-145,870,539.32

Finding the Fourth Proportional to 330,200,347.16, 495,436,289.88 and 145,870,539.32

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Solution

The fourth proportional to 330,200,347.16, 495,436,289.88 and 145,870,539.32 is: 218,865,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,200,347.16 : 495,436,289.88 = 145,870,539.32 : x
  2. Step 2: Convert to fraction form
    330,200,347.16/495,436,289.88 = 145,870,539.32/x
  3. Step 3: Cross multiply
    330,200,347.16x = 495,436,289.88 × 145,870,539.32
  4. Step 4: Simplify right side
    330,200,347.16x = 72,269,558,801,018,272
  5. Step 5: Solve for x
    x = 72,269,558,801,018,272/330,200,347.16
  6. Step 6: Final answer
    x = 218,865,786.86

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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.