Home / 229,272,394.61-316,409,187.83-172,655,786.94

Finding the Fourth Proportional to 229,272,394.61, 316,409,187.83 and 172,655,786.94

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Solution

The fourth proportional to 229,272,394.61, 316,409,187.83 and 172,655,786.94 is: 238,274,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,272,394.61 : 316,409,187.83 = 172,655,786.94 : x
  2. Step 2: Convert to fraction form
    229,272,394.61/316,409,187.83 = 172,655,786.94/x
  3. Step 3: Cross multiply
    229,272,394.61x = 316,409,187.83 × 172,655,786.94
  4. Step 4: Simplify right side
    229,272,394.61x = 54,629,877,318,971,640
  5. Step 5: Solve for x
    x = 54,629,877,318,971,640/229,272,394.61
  6. Step 6: Final answer
    x = 238,274,989.07

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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.