Home / 82,069,646.58-113,252,765.49-47,263,648.50

Finding the Fourth Proportional to 82,069,646.58, 113,252,765.49 and 47,263,648.50

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Solution

The fourth proportional to 82,069,646.58, 113,252,765.49 and 47,263,648.50 is: 65,221,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,069,646.58 : 113,252,765.49 = 47,263,648.50 : x
  2. Step 2: Convert to fraction form
    82,069,646.58/113,252,765.49 = 47,263,648.50/x
  3. Step 3: Cross multiply
    82,069,646.58x = 113,252,765.49 × 47,263,648.50
  4. Step 4: Simplify right side
    82,069,646.58x = 5,352,738,899,772,290
  5. Step 5: Solve for x
    x = 5,352,738,899,772,290/82,069,646.58
  6. Step 6: Final answer
    x = 65,221,907.52

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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.