Home / 86,713,380-130,120,458.72-38,844,324

Finding the Fourth Proportional to 86,713,380, 130,120,458.72 and 38,844,324

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Solution

The fourth proportional to 86,713,380, 130,120,458.72 and 38,844,324 is: 58,289,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,713,380 : 130,120,458.72 = 38,844,324 : x
  2. Step 2: Convert to fraction form
    86,713,380/130,120,458.72 = 38,844,324/x
  3. Step 3: Cross multiply
    86,713,380x = 130,120,458.72 × 38,844,324
  4. Step 4: Simplify right side
    86,713,380x = 5,054,441,257,548,305
  5. Step 5: Solve for x
    x = 5,054,441,257,548,305/86,713,380
  6. Step 6: Final answer
    x = 58,289,058.25

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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.