Home / 211,768,890.84-317,704,403.52-73,574,384.22

Finding the Fourth Proportional to 211,768,890.84, 317,704,403.52 and 73,574,384.22

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Solution

The fourth proportional to 211,768,890.84, 317,704,403.52 and 73,574,384.22 is: 110,379,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,768,890.84 : 317,704,403.52 = 73,574,384.22 : x
  2. Step 2: Convert to fraction form
    211,768,890.84/317,704,403.52 = 73,574,384.22/x
  3. Step 3: Cross multiply
    211,768,890.84x = 317,704,403.52 × 73,574,384.22
  4. Step 4: Simplify right side
    211,768,890.84x = 23,374,905,852,966,400
  5. Step 5: Solve for x
    x = 23,374,905,852,966,400/211,768,890.84
  6. Step 6: Final answer
    x = 110,379,318.51

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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.