Home / 402,024,325.20-603,036,487.80-143,531,422.80

Finding the Fourth Proportional to 402,024,325.20, 603,036,487.80 and 143,531,422.80

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Solution

The fourth proportional to 402,024,325.20, 603,036,487.80 and 143,531,422.80 is: 215,297,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,024,325.20 : 603,036,487.80 = 143,531,422.80 : x
  2. Step 2: Convert to fraction form
    402,024,325.20/603,036,487.80 = 143,531,422.80/x
  3. Step 3: Cross multiply
    402,024,325.20x = 603,036,487.80 × 143,531,422.80
  4. Step 4: Simplify right side
    402,024,325.20x = 86,554,685,094,248,848
  5. Step 5: Solve for x
    x = 86,554,685,094,248,848/402,024,325.20
  6. Step 6: Final answer
    x = 215,297,134.20

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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.