Home / 147,647,259.14-221,440,825.82-54,242,127.40

Finding the Fourth Proportional to 147,647,259.14, 221,440,825.82 and 54,242,127.40

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Solution

The fourth proportional to 147,647,259.14, 221,440,825.82 and 54,242,127.40 is: 81,352,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,647,259.14 : 221,440,825.82 = 54,242,127.40 : x
  2. Step 2: Convert to fraction form
    147,647,259.14/221,440,825.82 = 54,242,127.40/x
  3. Step 3: Cross multiply
    147,647,259.14x = 221,440,825.82 × 54,242,127.40
  4. Step 4: Simplify right side
    147,647,259.14x = 12,011,421,484,582,446
  5. Step 5: Solve for x
    x = 12,011,421,484,582,446/147,647,259.14
  6. Step 6: Final answer
    x = 81,352,146.69

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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.