Home / 81,611,852.90-112,615,780.75-46,318,433.27

Finding the Fourth Proportional to 81,611,852.90, 112,615,780.75 and 46,318,433.27

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Solution

The fourth proportional to 81,611,852.90, 112,615,780.75 and 46,318,433.27 is: 63,914,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,611,852.90 : 112,615,780.75 = 46,318,433.27 : x
  2. Step 2: Convert to fraction form
    81,611,852.90/112,615,780.75 = 46,318,433.27/x
  3. Step 3: Cross multiply
    81,611,852.90x = 112,615,780.75 × 46,318,433.27
  4. Step 4: Simplify right side
    81,611,852.90x = 5,216,186,525,138,951
  5. Step 5: Solve for x
    x = 5,216,186,525,138,951/81,611,852.90
  6. Step 6: Final answer
    x = 63,914,570.50

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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.