Home / 167,989,332.40-251,983,998.60-139,291,518.40

Finding the Fourth Proportional to 167,989,332.40, 251,983,998.60 and 139,291,518.40

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Solution

The fourth proportional to 167,989,332.40, 251,983,998.60 and 139,291,518.40 is: 208,937,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,989,332.40 : 251,983,998.60 = 139,291,518.40 : x
  2. Step 2: Convert to fraction form
    167,989,332.40/251,983,998.60 = 139,291,518.40/x
  3. Step 3: Cross multiply
    167,989,332.40x = 251,983,998.60 × 139,291,518.40
  4. Step 4: Simplify right side
    167,989,332.40x = 35,099,233,777,497,476
  5. Step 5: Solve for x
    x = 35,099,233,777,497,476/167,989,332.40
  6. Step 6: Final answer
    x = 208,937,277.60

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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.