Home / 220,319,307.60-330,176,627.64-139,395,408.72

Finding the Fourth Proportional to 220,319,307.60, 330,176,627.64 and 139,395,408.72

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Solution

The fourth proportional to 220,319,307.60, 330,176,627.64 and 139,395,408.72 is: 208,901,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,319,307.60 : 330,176,627.64 = 139,395,408.72 : x
  2. Step 2: Convert to fraction form
    220,319,307.60/330,176,627.64 = 139,395,408.72/x
  3. Step 3: Cross multiply
    220,319,307.60x = 330,176,627.64 × 139,395,408.72
  4. Step 4: Simplify right side
    220,319,307.60x = 46,025,105,959,669,048
  5. Step 5: Solve for x
    x = 46,025,105,959,669,048/220,319,307.60
  6. Step 6: Final answer
    x = 208,901,827.36

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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.