Home / 76,640,973.53-105,750,396.86-43,599,292.74

Finding the Fourth Proportional to 76,640,973.53, 105,750,396.86 and 43,599,292.74

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Solution

The fourth proportional to 76,640,973.53, 105,750,396.86 and 43,599,292.74 is: 60,158,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640,973.53 : 105,750,396.86 = 43,599,292.74 : x
  2. Step 2: Convert to fraction form
    76,640,973.53/105,750,396.86 = 43,599,292.74/x
  3. Step 3: Cross multiply
    76,640,973.53x = 105,750,396.86 × 43,599,292.74
  4. Step 4: Simplify right side
    76,640,973.53x = 4,610,642,509,852,321
  5. Step 5: Solve for x
    x = 4,610,642,509,852,321/76,640,973.53
  6. Step 6: Final answer
    x = 60,158,976.30

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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.