Home / 215,314,386.83-322,955,957.59-84,131,995.94

Finding the Fourth Proportional to 215,314,386.83, 322,955,957.59 and 84,131,995.94

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Solution

The fourth proportional to 215,314,386.83, 322,955,957.59 and 84,131,995.94 is: 126,191,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,314,386.83 : 322,955,957.59 = 84,131,995.94 : x
  2. Step 2: Convert to fraction form
    215,314,386.83/322,955,957.59 = 84,131,995.94/x
  3. Step 3: Cross multiply
    215,314,386.83x = 322,955,957.59 × 84,131,995.94
  4. Step 4: Simplify right side
    215,314,386.83x = 27,170,929,310,935,580
  5. Step 5: Solve for x
    x = 27,170,929,310,935,580/215,314,386.83
  6. Step 6: Final answer
    x = 126,191,889.50

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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.