Home / 43,416,091.20-65,124,136.80-26,381,985.60

Finding the Fourth Proportional to 43,416,091.20, 65,124,136.80 and 26,381,985.60

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Solution

The fourth proportional to 43,416,091.20, 65,124,136.80 and 26,381,985.60 is: 39,572,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,416,091.20 : 65,124,136.80 = 26,381,985.60 : x
  2. Step 2: Convert to fraction form
    43,416,091.20/65,124,136.80 = 26,381,985.60/x
  3. Step 3: Cross multiply
    43,416,091.20x = 65,124,136.80 × 26,381,985.60
  4. Step 4: Simplify right side
    43,416,091.20x = 1,718,104,039,270,030
  5. Step 5: Solve for x
    x = 1,718,104,039,270,030/43,416,091.20
  6. Step 6: Final answer
    x = 39,572,978.40

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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.