Home / 93,272,203.46-128,648,994.72-80,860,103.66

Finding the Fourth Proportional to 93,272,203.46, 128,648,994.72 and 80,860,103.66

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Solution

The fourth proportional to 93,272,203.46, 128,648,994.72 and 80,860,103.66 is: 111,529,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272,203.46 : 128,648,994.72 = 80,860,103.66 : x
  2. Step 2: Convert to fraction form
    93,272,203.46/128,648,994.72 = 80,860,103.66/x
  3. Step 3: Cross multiply
    93,272,203.46x = 128,648,994.72 × 80,860,103.66
  4. Step 4: Simplify right side
    93,272,203.46x = 10,402,571,048,813,992
  5. Step 5: Solve for x
    x = 10,402,571,048,813,992/93,272,203.46
  6. Step 6: Final answer
    x = 111,529,165.85

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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.