Home / 142,374,461.12-213,446,764.67-130,882,374.72

Finding the Fourth Proportional to 142,374,461.12, 213,446,764.67 and 130,882,374.72

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Solution

The fourth proportional to 142,374,461.12, 213,446,764.67 and 130,882,374.72 is: 196,217,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,374,461.12 : 213,446,764.67 = 130,882,374.72 : x
  2. Step 2: Convert to fraction form
    142,374,461.12/213,446,764.67 = 130,882,374.72/x
  3. Step 3: Cross multiply
    142,374,461.12x = 213,446,764.67 × 130,882,374.72
  4. Step 4: Simplify right side
    142,374,461.12x = 27,936,419,435,656,184
  5. Step 5: Solve for x
    x = 27,936,419,435,656,184/142,374,461.12
  6. Step 6: Final answer
    x = 196,217,911.67

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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.