Home / 147,647,259.64-221,440,826.57-54,242,127.90

Finding the Fourth Proportional to 147,647,259.64, 221,440,826.57 and 54,242,127.90

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Solution

The fourth proportional to 147,647,259.64, 221,440,826.57 and 54,242,127.90 is: 81,352,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,647,259.64 : 221,440,826.57 = 54,242,127.90 : x
  2. Step 2: Convert to fraction form
    147,647,259.64/221,440,826.57 = 54,242,127.90/x
  3. Step 3: Cross multiply
    147,647,259.64x = 221,440,826.57 × 54,242,127.90
  4. Step 4: Simplify right side
    147,647,259.64x = 12,011,421,635,984,454
  5. Step 5: Solve for x
    x = 12,011,421,635,984,454/147,647,259.64
  6. Step 6: Final answer
    x = 81,352,147.44

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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.