Home / 211,355,900.70-317,033,851.05-134,828,396.70

Finding the Fourth Proportional to 211,355,900.70, 317,033,851.05 and 134,828,396.70

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Solution

The fourth proportional to 211,355,900.70, 317,033,851.05 and 134,828,396.70 is: 202,242,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,355,900.70 : 317,033,851.05 = 134,828,396.70 : x
  2. Step 2: Convert to fraction form
    211,355,900.70/317,033,851.05 = 134,828,396.70/x
  3. Step 3: Cross multiply
    211,355,900.70x = 317,033,851.05 × 134,828,396.70
  4. Step 4: Simplify right side
    211,355,900.70x = 42,745,165,836,698,112
  5. Step 5: Solve for x
    x = 42,745,165,836,698,112/211,355,900.70
  6. Step 6: Final answer
    x = 202,242,595.05

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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.