Home / 82,390,853.20-123,586,279.80-46,111,147.60

Finding the Fourth Proportional to 82,390,853.20, 123,586,279.80 and 46,111,147.60

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Solution

The fourth proportional to 82,390,853.20, 123,586,279.80 and 46,111,147.60 is: 69,166,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,390,853.20 : 123,586,279.80 = 46,111,147.60 : x
  2. Step 2: Convert to fraction form
    82,390,853.20/123,586,279.80 = 46,111,147.60/x
  3. Step 3: Cross multiply
    82,390,853.20x = 123,586,279.80 × 46,111,147.60
  4. Step 4: Simplify right side
    82,390,853.20x = 5,698,705,189,192,699
  5. Step 5: Solve for x
    x = 5,698,705,189,192,699/82,390,853.20
  6. Step 6: Final answer
    x = 69,166,721.40

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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.