Home / 55,013,611.40-82,520,417.10-49,274,048.60

Finding the Fourth Proportional to 55,013,611.40, 82,520,417.10 and 49,274,048.60

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Solution

The fourth proportional to 55,013,611.40, 82,520,417.10 and 49,274,048.60 is: 73,911,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013,611.40 : 82,520,417.10 = 49,274,048.60 : x
  2. Step 2: Convert to fraction form
    55,013,611.40/82,520,417.10 = 49,274,048.60/x
  3. Step 3: Cross multiply
    55,013,611.40x = 82,520,417.10 × 49,274,048.60
  4. Step 4: Simplify right side
    55,013,611.40x = 4,066,115,042,677,671
  5. Step 5: Solve for x
    x = 4,066,115,042,677,671/55,013,611.40
  6. Step 6: Final answer
    x = 73,911,072.90

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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.