Home / 57,472,666.40-86,208,999.60-30,168,408.80

Finding the Fourth Proportional to 57,472,666.40, 86,208,999.60 and 30,168,408.80

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Solution

The fourth proportional to 57,472,666.40, 86,208,999.60 and 30,168,408.80 is: 45,252,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,666.40 : 86,208,999.60 = 30,168,408.80 : x
  2. Step 2: Convert to fraction form
    57,472,666.40/86,208,999.60 = 30,168,408.80/x
  3. Step 3: Cross multiply
    57,472,666.40x = 86,208,999.60 × 30,168,408.80
  4. Step 4: Simplify right side
    57,472,666.40x = 2,600,788,342,171,836.50
  5. Step 5: Solve for x
    x = 2,600,788,342,171,836.50/57,472,666.40
  6. Step 6: Final answer
    x = 45,252,613.20

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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.