Home / 228,696,875.82-315,606,360.69-124,281,673.38

Finding the Fourth Proportional to 228,696,875.82, 315,606,360.69 and 124,281,673.38

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Solution

The fourth proportional to 228,696,875.82, 315,606,360.69 and 124,281,673.38 is: 171,511,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,696,875.82 : 315,606,360.69 = 124,281,673.38 : x
  2. Step 2: Convert to fraction form
    228,696,875.82/315,606,360.69 = 124,281,673.38/x
  3. Step 3: Cross multiply
    228,696,875.82x = 315,606,360.69 × 124,281,673.38
  4. Step 4: Simplify right side
    228,696,875.82x = 39,224,086,635,925,048
  5. Step 5: Solve for x
    x = 39,224,086,635,925,048/228,696,875.82
  6. Step 6: Final answer
    x = 171,511,248.22

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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.