Home / 188,294,750.40-282,442,125.60-67,082,462.40

Finding the Fourth Proportional to 188,294,750.40, 282,442,125.60 and 67,082,462.40

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Solution

The fourth proportional to 188,294,750.40, 282,442,125.60 and 67,082,462.40 is: 100,623,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,294,750.40 : 282,442,125.60 = 67,082,462.40 : x
  2. Step 2: Convert to fraction form
    188,294,750.40/282,442,125.60 = 67,082,462.40/x
  3. Step 3: Cross multiply
    188,294,750.40x = 282,442,125.60 × 67,082,462.40
  4. Step 4: Simplify right side
    188,294,750.40x = 18,946,913,270,738,080
  5. Step 5: Solve for x
    x = 18,946,913,270,738,080/188,294,750.40
  6. Step 6: Final answer
    x = 100,623,693.60

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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.