Home / 302,992,316.55-454,507,675.70-128,082,752.42

Finding the Fourth Proportional to 302,992,316.55, 454,507,675.70 and 128,082,752.42

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Solution

The fourth proportional to 302,992,316.55, 454,507,675.70 and 128,082,752.42 is: 192,132,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,992,316.55 : 454,507,675.70 = 128,082,752.42 : x
  2. Step 2: Convert to fraction form
    302,992,316.55/454,507,675.70 = 128,082,752.42/x
  3. Step 3: Cross multiply
    302,992,316.55x = 454,507,675.70 × 128,082,752.42
  4. Step 4: Simplify right side
    302,992,316.55x = 58,214,594,096,759,800
  5. Step 5: Solve for x
    x = 58,214,594,096,759,800/302,992,316.55
  6. Step 6: Final answer
    x = 192,132,245.33

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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.