Home / 231,784,869.08-319,862,071.02-127,362,636.92

Finding the Fourth Proportional to 231,784,869.08, 319,862,071.02 and 127,362,636.92

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Solution

The fourth proportional to 231,784,869.08, 319,862,071.02 and 127,362,636.92 is: 175,759,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,784,869.08 : 319,862,071.02 = 127,362,636.92 : x
  2. Step 2: Convert to fraction form
    231,784,869.08/319,862,071.02 = 127,362,636.92/x
  3. Step 3: Cross multiply
    231,784,869.08x = 319,862,071.02 × 127,362,636.92
  4. Step 4: Simplify right side
    231,784,869.08x = 40,738,476,815,799,512
  5. Step 5: Solve for x
    x = 40,738,476,815,799,512/231,784,869.08
  6. Step 6: Final answer
    x = 175,759,862.92

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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.