Home / 117,503,887.80-176,255,831.70-81,672,079.80

Finding the Fourth Proportional to 117,503,887.80, 176,255,831.70 and 81,672,079.80

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Solution

The fourth proportional to 117,503,887.80, 176,255,831.70 and 81,672,079.80 is: 122,508,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,503,887.80 : 176,255,831.70 = 81,672,079.80 : x
  2. Step 2: Convert to fraction form
    117,503,887.80/176,255,831.70 = 81,672,079.80/x
  3. Step 3: Cross multiply
    117,503,887.80x = 176,255,831.70 × 81,672,079.80
  4. Step 4: Simplify right side
    117,503,887.80x = 14,395,180,351,817,768
  5. Step 5: Solve for x
    x = 14,395,180,351,817,768/117,503,887.80
  6. Step 6: Final answer
    x = 122,508,119.70

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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.