Home / 382,158,389.46-573,142,806.90-163,783,965.72

Finding the Fourth Proportional to 382,158,389.46, 573,142,806.90 and 163,783,965.72

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Solution

The fourth proportional to 382,158,389.46, 573,142,806.90 and 163,783,965.72 is: 245,635,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,158,389.46 : 573,142,806.90 = 163,783,965.72 : x
  2. Step 2: Convert to fraction form
    382,158,389.46/573,142,806.90 = 163,783,965.72/x
  3. Step 3: Cross multiply
    382,158,389.46x = 573,142,806.90 × 163,783,965.72
  4. Step 4: Simplify right side
    382,158,389.46x = 93,871,601,837,974,176
  5. Step 5: Solve for x
    x = 93,871,601,837,974,176/382,158,389.46
  6. Step 6: Final answer
    x = 245,635,329.30

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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.