Home / 78,733,090.55-118,099,635.83-70,796,904.95

Finding the Fourth Proportional to 78,733,090.55, 118,099,635.83 and 70,796,904.95

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Solution

The fourth proportional to 78,733,090.55, 118,099,635.83 and 70,796,904.95 is: 106,195,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,090.55 : 118,099,635.83 = 70,796,904.95 : x
  2. Step 2: Convert to fraction form
    78,733,090.55/118,099,635.83 = 70,796,904.95/x
  3. Step 3: Cross multiply
    78,733,090.55x = 118,099,635.83 × 70,796,904.95
  4. Step 4: Simplify right side
    78,733,090.55x = 8,361,088,692,132,140
  5. Step 5: Solve for x
    x = 8,361,088,692,132,140/78,733,090.55
  6. Step 6: Final answer
    x = 106,195,357.43

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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.