Home / 102,356,128.19-153,561,121.55-36,783,890.39

Finding the Fourth Proportional to 102,356,128.19, 153,561,121.55 and 36,783,890.39

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Solution

The fourth proportional to 102,356,128.19, 153,561,121.55 and 36,783,890.39 is: 55,185,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,356,128.19 : 153,561,121.55 = 36,783,890.39 : x
  2. Step 2: Convert to fraction form
    102,356,128.19/153,561,121.55 = 36,783,890.39/x
  3. Step 3: Cross multiply
    102,356,128.19x = 153,561,121.55 × 36,783,890.39
  4. Step 4: Simplify right side
    102,356,128.19x = 5,648,575,463,076,747
  5. Step 5: Solve for x
    x = 5,648,575,463,076,747/102,356,128.19
  6. Step 6: Final answer
    x = 55,185,513.20

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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.