Home / 211,525,876.08-291,702,846.60-136,095,216.48

Finding the Fourth Proportional to 211,525,876.08, 291,702,846.60 and 136,095,216.48

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Solution

The fourth proportional to 211,525,876.08, 291,702,846.60 and 136,095,216.48 is: 187,680,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525,876.08 : 291,702,846.60 = 136,095,216.48 : x
  2. Step 2: Convert to fraction form
    211,525,876.08/291,702,846.60 = 136,095,216.48/x
  3. Step 3: Cross multiply
    211,525,876.08x = 291,702,846.60 × 136,095,216.48
  4. Step 4: Simplify right side
    211,525,876.08x = 39,699,362,055,859,232
  5. Step 5: Solve for x
    x = 39,699,362,055,859,232/211,525,876.08
  6. Step 6: Final answer
    x = 187,680,877.59

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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.