Home / 385,563,090.06-532,071,621.18-218,295,037.98

Finding the Fourth Proportional to 385,563,090.06, 532,071,621.18 and 218,295,037.98

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Solution

The fourth proportional to 385,563,090.06, 532,071,621.18 and 218,295,037.98 is: 301,244,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,563,090.06 : 532,071,621.18 = 218,295,037.98 : x
  2. Step 2: Convert to fraction form
    385,563,090.06/532,071,621.18 = 218,295,037.98/x
  3. Step 3: Cross multiply
    385,563,090.06x = 532,071,621.18 × 218,295,037.98
  4. Step 4: Simplify right side
    385,563,090.06x = 116,148,594,753,568,272
  5. Step 5: Solve for x
    x = 116,148,594,753,568,272/385,563,090.06
  6. Step 6: Final answer
    x = 301,244,070.68

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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.