Home / 181,869,831.80-272,804,747.70-109,310,420.60

Finding the Fourth Proportional to 181,869,831.80, 272,804,747.70 and 109,310,420.60

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Solution

The fourth proportional to 181,869,831.80, 272,804,747.70 and 109,310,420.60 is: 163,965,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,869,831.80 : 272,804,747.70 = 109,310,420.60 : x
  2. Step 2: Convert to fraction form
    181,869,831.80/272,804,747.70 = 109,310,420.60/x
  3. Step 3: Cross multiply
    181,869,831.80x = 272,804,747.70 × 109,310,420.60
  4. Step 4: Simplify right side
    181,869,831.80x = 29,820,401,712,763,880
  5. Step 5: Solve for x
    x = 29,820,401,712,763,880/181,869,831.80
  6. Step 6: Final answer
    x = 163,965,630.90

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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.