Home / 72,836,701.30-109,255,051.95-69,477,469.30

Finding the Fourth Proportional to 72,836,701.30, 109,255,051.95 and 69,477,469.30

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Solution

The fourth proportional to 72,836,701.30, 109,255,051.95 and 69,477,469.30 is: 104,216,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,836,701.30 : 109,255,051.95 = 69,477,469.30 : x
  2. Step 2: Convert to fraction form
    72,836,701.30/109,255,051.95 = 69,477,469.30/x
  3. Step 3: Cross multiply
    72,836,701.30x = 109,255,051.95 × 69,477,469.30
  4. Step 4: Simplify right side
    72,836,701.30x = 7,590,764,517,726,030
  5. Step 5: Solve for x
    x = 7,590,764,517,726,030/72,836,701.30
  6. Step 6: Final answer
    x = 104,216,203.95

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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.