Home / 114,971,129.34-158,661,831.69-65,410,436.37

Finding the Fourth Proportional to 114,971,129.34, 158,661,831.69 and 65,410,436.37

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Solution

The fourth proportional to 114,971,129.34, 158,661,831.69 and 65,410,436.37 is: 90,267,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,971,129.34 : 158,661,831.69 = 65,410,436.37 : x
  2. Step 2: Convert to fraction form
    114,971,129.34/158,661,831.69 = 65,410,436.37/x
  3. Step 3: Cross multiply
    114,971,129.34x = 158,661,831.69 × 65,410,436.37
  4. Step 4: Simplify right side
    114,971,129.34x = 10,378,139,646,106,394
  5. Step 5: Solve for x
    x = 10,378,139,646,106,394/114,971,129.34
  6. Step 6: Final answer
    x = 90,267,354.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.