Home / 103,635,977.85-155,487,601.15-30,853,388.09

Finding the Fourth Proportional to 103,635,977.85, 155,487,601.15 and 30,853,388.09

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Solution

The fourth proportional to 103,635,977.85, 155,487,601.15 and 30,853,388.09 is: 46,290,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635,977.85 : 155,487,601.15 = 30,853,388.09 : x
  2. Step 2: Convert to fraction form
    103,635,977.85/155,487,601.15 = 30,853,388.09/x
  3. Step 3: Cross multiply
    103,635,977.85x = 155,487,601.15 × 30,853,388.09
  4. Step 4: Simplify right side
    103,635,977.85x = 4,797,319,301,775,666
  5. Step 5: Solve for x
    x = 4,797,319,301,775,666/103,635,977.85
  6. Step 6: Final answer
    x = 46,290,095.40

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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.