Home / 72,407,828.90-108,611,743.35-26,960,219.30

Finding the Fourth Proportional to 72,407,828.90, 108,611,743.35 and 26,960,219.30

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Solution

The fourth proportional to 72,407,828.90, 108,611,743.35 and 26,960,219.30 is: 40,440,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,407,828.90 : 108,611,743.35 = 26,960,219.30 : x
  2. Step 2: Convert to fraction form
    72,407,828.90/108,611,743.35 = 26,960,219.30/x
  3. Step 3: Cross multiply
    72,407,828.90x = 108,611,743.35 × 26,960,219.30
  4. Step 4: Simplify right side
    72,407,828.90x = 2,928,196,419,271,316.50
  5. Step 5: Solve for x
    x = 2,928,196,419,271,316.50/72,407,828.90
  6. Step 6: Final answer
    x = 40,440,328.95

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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.