Home / 228,694,890.71-315,598,709.77-124,272,712.62

Finding the Fourth Proportional to 228,694,890.71, 315,598,709.77 and 124,272,712.62

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Solution

The fourth proportional to 228,694,890.71, 315,598,709.77 and 124,272,712.62 is: 171,496,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,694,890.71 : 315,598,709.77 = 124,272,712.62 : x
  2. Step 2: Convert to fraction form
    228,694,890.71/315,598,709.77 = 124,272,712.62/x
  3. Step 3: Cross multiply
    228,694,890.71x = 315,598,709.77 × 124,272,712.62
  4. Step 4: Simplify right side
    228,694,890.71x = 39,220,307,762,179,312
  5. Step 5: Solve for x
    x = 39,220,307,762,179,312/228,694,890.71
  6. Step 6: Final answer
    x = 171,496,213.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.