Home / 212,803,300.80-319,181,331.60-174,397,831.20

Finding the Fourth Proportional to 212,803,300.80, 319,181,331.60 and 174,397,831.20

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Solution

The fourth proportional to 212,803,300.80, 319,181,331.60 and 174,397,831.20 is: 261,577,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,803,300.80 : 319,181,331.60 = 174,397,831.20 : x
  2. Step 2: Convert to fraction form
    212,803,300.80/319,181,331.60 = 174,397,831.20/x
  3. Step 3: Cross multiply
    212,803,300.80x = 319,181,331.60 × 174,397,831.20
  4. Step 4: Simplify right side
    212,803,300.80x = 55,664,531,990,568,024
  5. Step 5: Solve for x
    x = 55,664,531,990,568,024/212,803,300.80
  6. Step 6: Final answer
    x = 261,577,389.92

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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.