Home / 67,298,415.20-100,947,622.80-21,864,802.40

Finding the Fourth Proportional to 67,298,415.20, 100,947,622.80 and 21,864,802.40

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Solution

The fourth proportional to 67,298,415.20, 100,947,622.80 and 21,864,802.40 is: 32,797,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298,415.20 : 100,947,622.80 = 21,864,802.40 : x
  2. Step 2: Convert to fraction form
    67,298,415.20/100,947,622.80 = 21,864,802.40/x
  3. Step 3: Cross multiply
    67,298,415.20x = 100,947,622.80 × 21,864,802.40
  4. Step 4: Simplify right side
    67,298,415.20x = 2,207,199,825,271,734.50
  5. Step 5: Solve for x
    x = 2,207,199,825,271,734.50/67,298,415.20
  6. Step 6: Final answer
    x = 32,797,203.60

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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.