Home / 373,686,329.54-560,545,069.74-128,211,812.54

Finding the Fourth Proportional to 373,686,329.54, 560,545,069.74 and 128,211,812.54

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Solution

The fourth proportional to 373,686,329.54, 560,545,069.74 and 128,211,812.54 is: 192,323,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,686,329.54 : 560,545,069.74 = 128,211,812.54 : x
  2. Step 2: Convert to fraction form
    373,686,329.54/560,545,069.74 = 128,211,812.54/x
  3. Step 3: Cross multiply
    373,686,329.54x = 560,545,069.74 × 128,211,812.54
  4. Step 4: Simplify right side
    373,686,329.54x = 71,868,499,401,726,112
  5. Step 5: Solve for x
    x = 71,868,499,401,726,112/373,686,329.54
  6. Step 6: Final answer
    x = 192,323,062.74

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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.