Home / 309,099,132.60-463,648,698.90-139,229,820.60

Finding the Fourth Proportional to 309,099,132.60, 463,648,698.90 and 139,229,820.60

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Solution

The fourth proportional to 309,099,132.60, 463,648,698.90 and 139,229,820.60 is: 208,844,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,099,132.60 : 463,648,698.90 = 139,229,820.60 : x
  2. Step 2: Convert to fraction form
    309,099,132.60/463,648,698.90 = 139,229,820.60/x
  3. Step 3: Cross multiply
    309,099,132.60x = 463,648,698.90 × 139,229,820.60
  4. Step 4: Simplify right side
    309,099,132.60x = 64,553,725,169,270,408
  5. Step 5: Solve for x
    x = 64,553,725,169,270,408/309,099,132.60
  6. Step 6: Final answer
    x = 208,844,730.90

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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.