Home / 105,534,964.26-145,678,923.63-102,622,667.58

Finding the Fourth Proportional to 105,534,964.26, 145,678,923.63 and 102,622,667.58

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Solution

The fourth proportional to 105,534,964.26, 145,678,923.63 and 102,622,667.58 is: 141,658,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,534,964.26 : 145,678,923.63 = 102,622,667.58 : x
  2. Step 2: Convert to fraction form
    105,534,964.26/145,678,923.63 = 102,622,667.58/x
  3. Step 3: Cross multiply
    105,534,964.26x = 145,678,923.63 × 102,622,667.58
  4. Step 4: Simplify right side
    105,534,964.26x = 14,949,959,753,093,696
  5. Step 5: Solve for x
    x = 14,949,959,753,093,696/105,534,964.26
  6. Step 6: Final answer
    x = 141,658,831.82

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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.