Home / 85,291,505.82-127,937,159.64-27,783,684.72

Finding the Fourth Proportional to 85,291,505.82, 127,937,159.64 and 27,783,684.72

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Solution

The fourth proportional to 85,291,505.82, 127,937,159.64 and 27,783,684.72 is: 41,675,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,291,505.82 : 127,937,159.64 = 27,783,684.72 : x
  2. Step 2: Convert to fraction form
    85,291,505.82/127,937,159.64 = 27,783,684.72/x
  3. Step 3: Cross multiply
    85,291,505.82x = 127,937,159.64 × 27,783,684.72
  4. Step 4: Simplify right side
    85,291,505.82x = 3,554,565,707,410,068.50
  5. Step 5: Solve for x
    x = 3,554,565,707,410,068.50/85,291,505.82
  6. Step 6: Final answer
    x = 41,675,494.80

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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.