Home / 129,870,317.54-195,116,254.07-83,275,093.84

Finding the Fourth Proportional to 129,870,317.54, 195,116,254.07 and 83,275,093.84

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Solution

The fourth proportional to 129,870,317.54, 195,116,254.07 and 83,275,093.84 is: 125,111,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,870,317.54 : 195,116,254.07 = 83,275,093.84 : x
  2. Step 2: Convert to fraction form
    129,870,317.54/195,116,254.07 = 83,275,093.84/x
  3. Step 3: Cross multiply
    129,870,317.54x = 195,116,254.07 × 83,275,093.84
  4. Step 4: Simplify right side
    129,870,317.54x = 16,248,324,367,388,532
  5. Step 5: Solve for x
    x = 16,248,324,367,388,532/129,870,317.54
  6. Step 6: Final answer
    x = 125,111,916.84

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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.