Home / 57,318,955-79,100,162.90-31,213,465

Finding the Fourth Proportional to 57,318,955, 79,100,162.90 and 31,213,465

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Solution

The fourth proportional to 57,318,955, 79,100,162.90 and 31,213,465 is: 43,074,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318,955 : 79,100,162.90 = 31,213,465 : x
  2. Step 2: Convert to fraction form
    57,318,955/79,100,162.90 = 31,213,465/x
  3. Step 3: Cross multiply
    57,318,955x = 79,100,162.90 × 31,213,465
  4. Step 4: Simplify right side
    57,318,955x = 2,468,990,166,173,448.50
  5. Step 5: Solve for x
    x = 2,468,990,166,173,448.50/57,318,955
  6. Step 6: Final answer
    x = 43,074,584.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.