Home / 82,005,776.80-113,170,333.80-45,338,709.76

Finding the Fourth Proportional to 82,005,776.80, 113,170,333.80 and 45,338,709.76

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Solution

The fourth proportional to 82,005,776.80, 113,170,333.80 and 45,338,709.76 is: 62,568,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,776.80 : 113,170,333.80 = 45,338,709.76 : x
  2. Step 2: Convert to fraction form
    82,005,776.80/113,170,333.80 = 45,338,709.76/x
  3. Step 3: Cross multiply
    82,005,776.80x = 113,170,333.80 × 45,338,709.76
  4. Step 4: Simplify right side
    82,005,776.80x = 5,130,996,917,600,518
  5. Step 5: Solve for x
    x = 5,130,996,917,600,518/82,005,776.80
  6. Step 6: Final answer
    x = 62,568,725.25

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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.