Home / 101,232,434.21-139,700,063.48-54,821,626.07

Finding the Fourth Proportional to 101,232,434.21, 139,700,063.48 and 54,821,626.07

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Solution

The fourth proportional to 101,232,434.21, 139,700,063.48 and 54,821,626.07 is: 75,653,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,434.21 : 139,700,063.48 = 54,821,626.07 : x
  2. Step 2: Convert to fraction form
    101,232,434.21/139,700,063.48 = 54,821,626.07/x
  3. Step 3: Cross multiply
    101,232,434.21x = 139,700,063.48 × 54,821,626.07
  4. Step 4: Simplify right side
    101,232,434.21x = 7,658,584,641,083,214
  5. Step 5: Solve for x
    x = 7,658,584,641,083,214/101,232,434.21
  6. Step 6: Final answer
    x = 75,653,467.20

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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.