Home / 228,985,288.62-315,999,459-124,563,110.82

Finding the Fourth Proportional to 228,985,288.62, 315,999,459 and 124,563,110.82

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Solution

The fourth proportional to 228,985,288.62, 315,999,459 and 124,563,110.82 is: 171,896,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,985,288.62 : 315,999,459 = 124,563,110.82 : x
  2. Step 2: Convert to fraction form
    228,985,288.62/315,999,459 = 124,563,110.82/x
  3. Step 3: Cross multiply
    228,985,288.62x = 315,999,459 × 124,563,110.82
  4. Step 4: Simplify right side
    228,985,288.62x = 39,361,875,630,477,048
  5. Step 5: Solve for x
    x = 39,361,875,630,477,048/228,985,288.62
  6. Step 6: Final answer
    x = 171,896,962.76

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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.