Home / 393,300,020.20-589,950,030.30-134,492,189.80

Finding the Fourth Proportional to 393,300,020.20, 589,950,030.30 and 134,492,189.80

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Solution

The fourth proportional to 393,300,020.20, 589,950,030.30 and 134,492,189.80 is: 201,738,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,300,020.20 : 589,950,030.30 = 134,492,189.80 : x
  2. Step 2: Convert to fraction form
    393,300,020.20/589,950,030.30 = 134,492,189.80/x
  3. Step 3: Cross multiply
    393,300,020.20x = 589,950,030.30 × 134,492,189.80
  4. Step 4: Simplify right side
    393,300,020.20x = 79,343,671,447,623,344
  5. Step 5: Solve for x
    x = 79,343,671,447,623,344/393,300,020.20
  6. Step 6: Final answer
    x = 201,738,284.70

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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.