Home / 57,448,919.60-86,173,379.40-28,699,492.40

Finding the Fourth Proportional to 57,448,919.60, 86,173,379.40 and 28,699,492.40

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Solution

The fourth proportional to 57,448,919.60, 86,173,379.40 and 28,699,492.40 is: 43,049,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448,919.60 : 86,173,379.40 = 28,699,492.40 : x
  2. Step 2: Convert to fraction form
    57,448,919.60/86,173,379.40 = 28,699,492.40/x
  3. Step 3: Cross multiply
    57,448,919.60x = 86,173,379.40 × 28,699,492.40
  4. Step 4: Simplify right side
    57,448,919.60x = 2,473,132,247,172,616.50
  5. Step 5: Solve for x
    x = 2,473,132,247,172,616.50/57,448,919.60
  6. Step 6: Final answer
    x = 43,049,238.60

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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.