Home / 154,097,967.12-212,649,551.60-84,481,820.56

Finding the Fourth Proportional to 154,097,967.12, 212,649,551.60 and 84,481,820.56

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Solution

The fourth proportional to 154,097,967.12, 212,649,551.60 and 84,481,820.56 is: 116,581,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,097,967.12 : 212,649,551.60 = 84,481,820.56 : x
  2. Step 2: Convert to fraction form
    154,097,967.12/212,649,551.60 = 84,481,820.56/x
  3. Step 3: Cross multiply
    154,097,967.12x = 212,649,551.60 × 84,481,820.56
  4. Step 4: Simplify right side
    154,097,967.12x = 17,965,021,260,435,660
  5. Step 5: Solve for x
    x = 17,965,021,260,435,660/154,097,967.12
  6. Step 6: Final answer
    x = 116,581,818.67

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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.