Home / 100,950,356.34-139,311,590.31-54,540,647.19

Finding the Fourth Proportional to 100,950,356.34, 139,311,590.31 and 54,540,647.19

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Solution

The fourth proportional to 100,950,356.34, 139,311,590.31 and 54,540,647.19 is: 75,266,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950,356.34 : 139,311,590.31 = 54,540,647.19 : x
  2. Step 2: Convert to fraction form
    100,950,356.34/139,311,590.31 = 54,540,647.19/x
  3. Step 3: Cross multiply
    100,950,356.34x = 139,311,590.31 × 54,540,647.19
  4. Step 4: Simplify right side
    100,950,356.34x = 7,598,144,296,575,533
  5. Step 5: Solve for x
    x = 7,598,144,296,575,533/100,950,356.34
  6. Step 6: Final answer
    x = 75,266,146.37

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1.5x scale

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.