Home / 289,940,968.60-400,118,602.62-159,560,776.60

Finding the Fourth Proportional to 289,940,968.60, 400,118,602.62 and 159,560,776.60

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Solution

The fourth proportional to 289,940,968.60, 400,118,602.62 and 159,560,776.60 is: 220,193,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,940,968.60 : 400,118,602.62 = 159,560,776.60 : x
  2. Step 2: Convert to fraction form
    289,940,968.60/400,118,602.62 = 159,560,776.60/x
  3. Step 3: Cross multiply
    289,940,968.60x = 400,118,602.62 × 159,560,776.60
  4. Step 4: Simplify right side
    289,940,968.60x = 63,843,234,966,153,992
  5. Step 5: Solve for x
    x = 63,843,234,966,153,992/289,940,968.60
  6. Step 6: Final answer
    x = 220,193,908.00

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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.