Home / 245,520,429.60-338,794,070.64-135,505,056.80

Finding the Fourth Proportional to 245,520,429.60, 338,794,070.64 and 135,505,056.80

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Solution

The fourth proportional to 245,520,429.60, 338,794,070.64 and 135,505,056.80 is: 186,983,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,520,429.60 : 338,794,070.64 = 135,505,056.80 : x
  2. Step 2: Convert to fraction form
    245,520,429.60/338,794,070.64 = 135,505,056.80/x
  3. Step 3: Cross multiply
    245,520,429.60x = 338,794,070.64 × 135,505,056.80
  4. Step 4: Simplify right side
    245,520,429.60x = 45,908,309,785,576,416
  5. Step 5: Solve for x
    x = 45,908,309,785,576,416/245,520,429.60
  6. Step 6: Final answer
    x = 186,983,665.11

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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.