Home / 54,380,051.70-81,570,077.55-31,390,307.70

Finding the Fourth Proportional to 54,380,051.70, 81,570,077.55 and 31,390,307.70

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Solution

The fourth proportional to 54,380,051.70, 81,570,077.55 and 31,390,307.70 is: 47,085,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380,051.70 : 81,570,077.55 = 31,390,307.70 : x
  2. Step 2: Convert to fraction form
    54,380,051.70/81,570,077.55 = 31,390,307.70/x
  3. Step 3: Cross multiply
    54,380,051.70x = 81,570,077.55 × 31,390,307.70
  4. Step 4: Simplify right side
    54,380,051.70x = 2,560,509,833,407,362
  5. Step 5: Solve for x
    x = 2,560,509,833,407,362/54,380,051.70
  6. Step 6: Final answer
    x = 47,085,461.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.