Home / 303,438,304.37-454,973,143.63-118,984,802.55

Finding the Fourth Proportional to 303,438,304.37, 454,973,143.63 and 118,984,802.55

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Solution

The fourth proportional to 303,438,304.37, 454,973,143.63 and 118,984,802.55 is: 178,404,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,438,304.37 : 454,973,143.63 = 118,984,802.55 : x
  2. Step 2: Convert to fraction form
    303,438,304.37/454,973,143.63 = 118,984,802.55/x
  3. Step 3: Cross multiply
    303,438,304.37x = 454,973,143.63 × 118,984,802.55
  4. Step 4: Simplify right side
    303,438,304.37x = 54,134,889,660,368,336
  5. Step 5: Solve for x
    x = 54,134,889,660,368,336/303,438,304.37
  6. Step 6: Final answer
    x = 178,404,930.69

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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.