Home / 211,348,491.84-317,122,921.80-102,112,429.68

Finding the Fourth Proportional to 211,348,491.84, 317,122,921.80 and 102,112,429.68

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Solution

The fourth proportional to 211,348,491.84, 317,122,921.80 and 102,112,429.68 is: 153,217,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,348,491.84 : 317,122,921.80 = 102,112,429.68 : x
  2. Step 2: Convert to fraction form
    211,348,491.84/317,122,921.80 = 102,112,429.68/x
  3. Step 3: Cross multiply
    211,348,491.84x = 317,122,921.80 × 102,112,429.68
  4. Step 4: Simplify right side
    211,348,491.84x = 32,382,192,052,218,644
  5. Step 5: Solve for x
    x = 32,382,192,052,218,644/211,348,491.84
  6. Step 6: Final answer
    x = 153,217,048.16

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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.