Home / 147,647,258.26-221,440,824.51-54,242,126.52

Finding the Fourth Proportional to 147,647,258.26, 221,440,824.51 and 54,242,126.52

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Solution

The fourth proportional to 147,647,258.26, 221,440,824.51 and 54,242,126.52 is: 81,352,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,647,258.26 : 221,440,824.51 = 54,242,126.52 : x
  2. Step 2: Convert to fraction form
    147,647,258.26/221,440,824.51 = 54,242,126.52/x
  3. Step 3: Cross multiply
    147,647,258.26x = 221,440,824.51 × 54,242,126.52
  4. Step 4: Simplify right side
    147,647,258.26x = 12,011,421,219,779,756
  5. Step 5: Solve for x
    x = 12,011,421,219,779,756/147,647,258.26
  6. Step 6: Final answer
    x = 81,352,145.38

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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.