Home / 279,588,220.06-385,815,144.64-160,483,296.10

Finding the Fourth Proportional to 279,588,220.06, 385,815,144.64 and 160,483,296.10

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Solution

The fourth proportional to 279,588,220.06, 385,815,144.64 and 160,483,296.10 is: 221,457,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,588,220.06 : 385,815,144.64 = 160,483,296.10 : x
  2. Step 2: Convert to fraction form
    279,588,220.06/385,815,144.64 = 160,483,296.10/x
  3. Step 3: Cross multiply
    279,588,220.06x = 385,815,144.64 × 160,483,296.10
  4. Step 4: Simplify right side
    279,588,220.06x = 61,916,886,094,393,952
  5. Step 5: Solve for x
    x = 61,916,886,094,393,952/279,588,220.06
  6. Step 6: Final answer
    x = 221,457,420.78

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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.