Home / 109,040,343.60-163,340,065.80-67,973,732.40

Finding the Fourth Proportional to 109,040,343.60, 163,340,065.80 and 67,973,732.40

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Solution

The fourth proportional to 109,040,343.60, 163,340,065.80 and 67,973,732.40 is: 101,823,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040,343.60 : 163,340,065.80 = 67,973,732.40 : x
  2. Step 2: Convert to fraction form
    109,040,343.60/163,340,065.80 = 67,973,732.40/x
  3. Step 3: Cross multiply
    109,040,343.60x = 163,340,065.80 × 67,973,732.40
  4. Step 4: Simplify right side
    109,040,343.60x = 11,102,833,922,887,594
  5. Step 5: Solve for x
    x = 11,102,833,922,887,594/109,040,343.60
  6. Step 6: Final answer
    x = 101,823,174.40

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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.