Home / 57,448,912.60-86,173,368.90-28,699,485.40

Finding the Fourth Proportional to 57,448,912.60, 86,173,368.90 and 28,699,485.40

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Solution

The fourth proportional to 57,448,912.60, 86,173,368.90 and 28,699,485.40 is: 43,049,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448,912.60 : 86,173,368.90 = 28,699,485.40 : x
  2. Step 2: Convert to fraction form
    57,448,912.60/86,173,368.90 = 28,699,485.40/x
  3. Step 3: Cross multiply
    57,448,912.60x = 86,173,368.90 × 28,699,485.40
  4. Step 4: Simplify right side
    57,448,912.60x = 2,473,131,342,614,364
  5. Step 5: Solve for x
    x = 2,473,131,342,614,364/57,448,912.60
  6. Step 6: Final answer
    x = 43,049,228.10

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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.