Home / 53,142,113.20-79,663,014.60-28,845,223.60

Finding the Fourth Proportional to 53,142,113.20, 79,663,014.60 and 28,845,223.60

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Solution

The fourth proportional to 53,142,113.20, 79,663,014.60 and 28,845,223.60 is: 43,240,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142,113.20 : 79,663,014.60 = 28,845,223.60 : x
  2. Step 2: Convert to fraction form
    53,142,113.20/79,663,014.60 = 28,845,223.60/x
  3. Step 3: Cross multiply
    53,142,113.20x = 79,663,014.60 × 28,845,223.60
  4. Step 4: Simplify right side
    53,142,113.20x = 2,297,897,468,787,064.50
  5. Step 5: Solve for x
    x = 2,297,897,468,787,064.50/53,142,113.20
  6. Step 6: Final answer
    x = 43,240,611.46

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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.