Home / 86,973,087.04-120,019,800.72-47,814,579.84

Finding the Fourth Proportional to 86,973,087.04, 120,019,800.72 and 47,814,579.84

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Solution

The fourth proportional to 86,973,087.04, 120,019,800.72 and 47,814,579.84 is: 65,982,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973,087.04 : 120,019,800.72 = 47,814,579.84 : x
  2. Step 2: Convert to fraction form
    86,973,087.04/120,019,800.72 = 47,814,579.84/x
  3. Step 3: Cross multiply
    86,973,087.04x = 120,019,800.72 × 47,814,579.84
  4. Step 4: Simplify right side
    86,973,087.04x = 5,738,696,343,907,330
  5. Step 5: Solve for x
    x = 5,738,696,343,907,330/86,973,087.04
  6. Step 6: Final answer
    x = 65,982,438.24

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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.