Home / 228,985,325.24-315,999,509.72-124,563,147.48

Finding the Fourth Proportional to 228,985,325.24, 315,999,509.72 and 124,563,147.48

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Solution

The fourth proportional to 228,985,325.24, 315,999,509.72 and 124,563,147.48 is: 171,897,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,985,325.24 : 315,999,509.72 = 124,563,147.48 : x
  2. Step 2: Convert to fraction form
    228,985,325.24/315,999,509.72 = 124,563,147.48/x
  3. Step 3: Cross multiply
    228,985,325.24x = 315,999,509.72 × 124,563,147.48
  4. Step 4: Simplify right side
    228,985,325.24x = 39,361,893,532,237,232
  5. Step 5: Solve for x
    x = 39,361,893,532,237,232/228,985,325.24
  6. Step 6: Final answer
    x = 171,897,013.45

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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.