Home / 211,384,071.18-317,000,080.92-73,172,210.28

Finding the Fourth Proportional to 211,384,071.18, 317,000,080.92 and 73,172,210.28

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Solution

The fourth proportional to 211,384,071.18, 317,000,080.92 and 73,172,210.28 is: 109,731,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,384,071.18 : 317,000,080.92 = 73,172,210.28 : x
  2. Step 2: Convert to fraction form
    211,384,071.18/317,000,080.92 = 73,172,210.28/x
  3. Step 3: Cross multiply
    211,384,071.18x = 317,000,080.92 × 73,172,210.28
  4. Step 4: Simplify right side
    211,384,071.18x = 23,195,596,579,855,256
  5. Step 5: Solve for x
    x = 23,195,596,579,855,256/211,384,071.18
  6. Step 6: Final answer
    x = 109,731,998.49

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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.