Home / 81,560,128.54-112,552,971.06-44,390,675.20

Finding the Fourth Proportional to 81,560,128.54, 112,552,971.06 and 44,390,675.20

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Solution

The fourth proportional to 81,560,128.54, 112,552,971.06 and 44,390,675.20 is: 61,259,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,560,128.54 : 112,552,971.06 = 44,390,675.20 : x
  2. Step 2: Convert to fraction form
    81,560,128.54/112,552,971.06 = 44,390,675.20/x
  3. Step 3: Cross multiply
    81,560,128.54x = 112,552,971.06 × 44,390,675.20
  4. Step 4: Simplify right side
    81,560,128.54x = 4,996,302,381,119,460
  5. Step 5: Solve for x
    x = 4,996,302,381,119,460/81,560,128.54
  6. Step 6: Final answer
    x = 61,259,128.33

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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.