Home / 82,759,338.40-114,221,784.72-47,973,788.32

Finding the Fourth Proportional to 82,759,338.40, 114,221,784.72 and 47,973,788.32

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Solution

The fourth proportional to 82,759,338.40, 114,221,784.72 and 47,973,788.32 is: 66,211,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,759,338.40 : 114,221,784.72 = 47,973,788.32 : x
  2. Step 2: Convert to fraction form
    82,759,338.40/114,221,784.72 = 47,973,788.32/x
  3. Step 3: Cross multiply
    82,759,338.40x = 114,221,784.72 × 47,973,788.32
  4. Step 4: Simplify right side
    82,759,338.40x = 5,479,651,721,689,890
  5. Step 5: Solve for x
    x = 5,479,651,721,689,890/82,759,338.40
  6. Step 6: Final answer
    x = 66,211,884.09

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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.