Home / 82,090,813.80-123,055,004.70-38,884,074.60

Finding the Fourth Proportional to 82,090,813.80, 123,055,004.70 and 38,884,074.60

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Solution

The fourth proportional to 82,090,813.80, 123,055,004.70 and 38,884,074.60 is: 58,287,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,090,813.80 : 123,055,004.70 = 38,884,074.60 : x
  2. Step 2: Convert to fraction form
    82,090,813.80/123,055,004.70 = 38,884,074.60/x
  3. Step 3: Cross multiply
    82,090,813.80x = 123,055,004.70 × 38,884,074.60
  4. Step 4: Simplify right side
    82,090,813.80x = 4,784,879,982,658,151
  5. Step 5: Solve for x
    x = 4,784,879,982,658,151/82,090,813.80
  6. Step 6: Final answer
    x = 58,287,642.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.