Home / 309,099,121.60-463,648,682.40-139,229,809.60

Finding the Fourth Proportional to 309,099,121.60, 463,648,682.40 and 139,229,809.60

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Solution

The fourth proportional to 309,099,121.60, 463,648,682.40 and 139,229,809.60 is: 208,844,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,099,121.60 : 463,648,682.40 = 139,229,809.60 : x
  2. Step 2: Convert to fraction form
    309,099,121.60/463,648,682.40 = 139,229,809.60/x
  3. Step 3: Cross multiply
    309,099,121.60x = 463,648,682.40 × 139,229,809.60
  4. Step 4: Simplify right side
    309,099,121.60x = 64,553,717,771,842,864
  5. Step 5: Solve for x
    x = 64,553,717,771,842,864/309,099,121.60
  6. Step 6: Final answer
    x = 208,844,714.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.