Home / 142,145,855.04-213,082,570.62-60,151,940.88

Finding the Fourth Proportional to 142,145,855.04, 213,082,570.62 and 60,151,940.88

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Solution

The fourth proportional to 142,145,855.04, 213,082,570.62 and 60,151,940.88 is: 90,170,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,145,855.04 : 213,082,570.62 = 60,151,940.88 : x
  2. Step 2: Convert to fraction form
    142,145,855.04/213,082,570.62 = 60,151,940.88/x
  3. Step 3: Cross multiply
    142,145,855.04x = 213,082,570.62 × 60,151,940.88
  4. Step 4: Simplify right side
    142,145,855.04x = 12,817,330,190,492,666
  5. Step 5: Solve for x
    x = 12,817,330,190,492,666/142,145,855.04
  6. Step 6: Final answer
    x = 90,170,270.44

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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.