Home / 211,492,583.70-317,223,899.52-56,042,949.90

Finding the Fourth Proportional to 211,492,583.70, 317,223,899.52 and 56,042,949.90

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Solution

The fourth proportional to 211,492,583.70, 317,223,899.52 and 56,042,949.90 is: 84,060,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,492,583.70 : 317,223,899.52 = 56,042,949.90 : x
  2. Step 2: Convert to fraction form
    211,492,583.70/317,223,899.52 = 56,042,949.90/x
  3. Step 3: Cross multiply
    211,492,583.70x = 317,223,899.52 × 56,042,949.90
  4. Step 4: Simplify right side
    211,492,583.70x = 17,778,163,107,881,992
  5. Step 5: Solve for x
    x = 17,778,163,107,881,992/211,492,583.70
  6. Step 6: Final answer
    x = 84,060,456.39

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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.