Home / 66,431,901.94-99,653,057.97-17,909,014.95

Finding the Fourth Proportional to 66,431,901.94, 99,653,057.97 and 17,909,014.95

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Solution

The fourth proportional to 66,431,901.94, 99,653,057.97 and 17,909,014.95 is: 26,864,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,901.94 : 99,653,057.97 = 17,909,014.95 : x
  2. Step 2: Convert to fraction form
    66,431,901.94/99,653,057.97 = 17,909,014.95/x
  3. Step 3: Cross multiply
    66,431,901.94x = 99,653,057.97 × 17,909,014.95
  4. Step 4: Simplify right side
    66,431,901.94x = 1,784,688,104,930,787.75
  5. Step 5: Solve for x
    x = 1,784,688,104,930,787.75/66,431,901.94
  6. Step 6: Final answer
    x = 26,864,925.63

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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.