Home / 82,980,004.80-124,564,485.60-48,920,541.60

Finding the Fourth Proportional to 82,980,004.80, 124,564,485.60 and 48,920,541.60

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Solution

The fourth proportional to 82,980,004.80, 124,564,485.60 and 48,920,541.60 is: 73,436,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,980,004.80 : 124,564,485.60 = 48,920,541.60 : x
  2. Step 2: Convert to fraction form
    82,980,004.80/124,564,485.60 = 48,920,541.60/x
  3. Step 3: Cross multiply
    82,980,004.80x = 124,564,485.60 × 48,920,541.60
  4. Step 4: Simplify right side
    82,980,004.80x = 6,093,762,099,677,401
  5. Step 5: Solve for x
    x = 6,093,762,099,677,401/82,980,004.80
  6. Step 6: Final answer
    x = 73,436,511.78

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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.