Home / 82,759,336.40-114,221,781.96-47,973,786.32

Finding the Fourth Proportional to 82,759,336.40, 114,221,781.96 and 47,973,786.32

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Solution

The fourth proportional to 82,759,336.40, 114,221,781.96 and 47,973,786.32 is: 66,211,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,759,336.40 : 114,221,781.96 = 47,973,786.32 : x
  2. Step 2: Convert to fraction form
    82,759,336.40/114,221,781.96 = 47,973,786.32/x
  3. Step 3: Cross multiply
    82,759,336.40x = 114,221,781.96 × 47,973,786.32
  4. Step 4: Simplify right side
    82,759,336.40x = 5,479,651,360,838,671
  5. Step 5: Solve for x
    x = 5,479,651,360,838,671/82,759,336.40
  6. Step 6: Final answer
    x = 66,211,881.33

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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.