Home / 69,670,823.68-104,447,776.96-30,803,000.40

Finding the Fourth Proportional to 69,670,823.68, 104,447,776.96 and 30,803,000.40

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Solution

The fourth proportional to 69,670,823.68, 104,447,776.96 and 30,803,000.40 is: 46,178,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,670,823.68 : 104,447,776.96 = 30,803,000.40 : x
  2. Step 2: Convert to fraction form
    69,670,823.68/104,447,776.96 = 30,803,000.40/x
  3. Step 3: Cross multiply
    69,670,823.68x = 104,447,776.96 × 30,803,000.40
  4. Step 4: Simplify right side
    69,670,823.68x = 3,217,304,915,477,990.50
  5. Step 5: Solve for x
    x = 3,217,304,915,477,990.50/69,670,823.68
  6. Step 6: Final answer
    x = 46,178,654.79

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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.