Home / 101,280,048.77-139,767,138.33-54,870,302.75

Finding the Fourth Proportional to 101,280,048.77, 139,767,138.33 and 54,870,302.75

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Solution

The fourth proportional to 101,280,048.77, 139,767,138.33 and 54,870,302.75 is: 75,721,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,280,048.77 : 139,767,138.33 = 54,870,302.75 : x
  2. Step 2: Convert to fraction form
    101,280,048.77/139,767,138.33 = 54,870,302.75/x
  3. Step 3: Cross multiply
    101,280,048.77x = 139,767,138.33 × 54,870,302.75
  4. Step 4: Simplify right side
    101,280,048.77x = 7,669,065,193,763,629
  5. Step 5: Solve for x
    x = 7,669,065,193,763,629/101,280,048.77
  6. Step 6: Final answer
    x = 75,721,381.33

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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.