Home / 186,619,571.01-280,054,216.69-77,444,738.34

Finding the Fourth Proportional to 186,619,571.01, 280,054,216.69 and 77,444,738.34

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Solution

The fourth proportional to 186,619,571.01, 280,054,216.69 and 77,444,738.34 is: 116,218,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,619,571.01 : 280,054,216.69 = 77,444,738.34 : x
  2. Step 2: Convert to fraction form
    186,619,571.01/280,054,216.69 = 77,444,738.34/x
  3. Step 3: Cross multiply
    186,619,571.01x = 280,054,216.69 × 77,444,738.34
  4. Step 4: Simplify right side
    186,619,571.01x = 21,688,725,532,570,712
  5. Step 5: Solve for x
    x = 21,688,725,532,570,712/186,619,571.01
  6. Step 6: Final answer
    x = 116,218,922.89

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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.