Home / 51,915,879.44-71,643,495.40-28,711,984.40

Finding the Fourth Proportional to 51,915,879.44, 71,643,495.40 and 28,711,984.40

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Solution

The fourth proportional to 51,915,879.44, 71,643,495.40 and 28,711,984.40 is: 39,622,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915,879.44 : 71,643,495.40 = 28,711,984.40 : x
  2. Step 2: Convert to fraction form
    51,915,879.44/71,643,495.40 = 28,711,984.40/x
  3. Step 3: Cross multiply
    51,915,879.44x = 71,643,495.40 × 28,711,984.40
  4. Step 4: Simplify right side
    51,915,879.44x = 2,057,026,922,286,271.75
  5. Step 5: Solve for x
    x = 2,057,026,922,286,271.75/51,915,879.44
  6. Step 6: Final answer
    x = 39,622,307.17

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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.