Home / 219,318,143,319.70-302,547,650,080.62-143,239,090,493.15

Finding the Fourth Proportional to 219,318,143,319.70, 302,547,650,080.62 and 143,239,090,493.15

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Solution

The fourth proportional to 219,318,143,319.70, 302,547,650,080.62 and 143,239,090,493.15 is: 197,597,196,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,318,143,319.70 : 302,547,650,080.62 = 143,239,090,493.15 : x
  2. Step 2: Convert to fraction form
    219,318,143,319.70/302,547,650,080.62 = 143,239,090,493.15/x
  3. Step 3: Cross multiply
    219,318,143,319.70x = 302,547,650,080.62 × 143,239,090,493.15
  4. Step 4: Simplify right side
    219,318,143,319.70x = 43,336,650,228,387,803,037,696
  5. Step 5: Solve for x
    x = 43,336,650,228,387,803,037,696/219,318,143,319.70
  6. Step 6: Final answer
    x = 197,597,196,348.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.