Home / 66,171,644.40-99,257,466.60-49,165,532.40

Finding the Fourth Proportional to 66,171,644.40, 99,257,466.60 and 49,165,532.40

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Solution

The fourth proportional to 66,171,644.40, 99,257,466.60 and 49,165,532.40 is: 73,748,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,171,644.40 : 99,257,466.60 = 49,165,532.40 : x
  2. Step 2: Convert to fraction form
    66,171,644.40/99,257,466.60 = 49,165,532.40/x
  3. Step 3: Cross multiply
    66,171,644.40x = 99,257,466.60 × 49,165,532.40
  4. Step 4: Simplify right side
    66,171,644.40x = 4,880,046,190,064,217
  5. Step 5: Solve for x
    x = 4,880,046,190,064,217/66,171,644.40
  6. Step 6: Final answer
    x = 73,748,298.60

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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.