Home / 68,638,286,840.88-102,955,527,038.10-18,274,152,719.10

Finding the Fourth Proportional to 68,638,286,840.88, 102,955,527,038.10 and 18,274,152,719.10

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Solution

The fourth proportional to 68,638,286,840.88, 102,955,527,038.10 and 18,274,152,719.10 is: 27,410,722,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,638,286,840.88 : 102,955,527,038.10 = 18,274,152,719.10 : x
  2. Step 2: Convert to fraction form
    68,638,286,840.88/102,955,527,038.10 = 18,274,152,719.10/x
  3. Step 3: Cross multiply
    68,638,286,840.88x = 102,955,527,038.10 × 18,274,152,719.10
  4. Step 4: Simplify right side
    68,638,286,840.88x = 1,881,425,024,369,668,653,056
  5. Step 5: Solve for x
    x = 1,881,425,024,369,668,653,056/68,638,286,840.88
  6. Step 6: Final answer
    x = 27,410,722,367.41

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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.