Home / 216,968,754.42-299,419,307.46-127,680,438.53

Finding the Fourth Proportional to 216,968,754.42, 299,419,307.46 and 127,680,438.53

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Solution

The fourth proportional to 216,968,754.42, 299,419,307.46 and 127,680,438.53 is: 176,200,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,968,754.42 : 299,419,307.46 = 127,680,438.53 : x
  2. Step 2: Convert to fraction form
    216,968,754.42/299,419,307.46 = 127,680,438.53/x
  3. Step 3: Cross multiply
    216,968,754.42x = 299,419,307.46 × 127,680,438.53
  4. Step 4: Simplify right side
    216,968,754.42x = 38,229,988,480,841,696
  5. Step 5: Solve for x
    x = 38,229,988,480,841,696/216,968,754.42
  6. Step 6: Final answer
    x = 176,200,433.02

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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.