Home / 303,438,975.75-454,974,150.69-118,985,473.89

Finding the Fourth Proportional to 303,438,975.75, 454,974,150.69 and 118,985,473.89

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Solution

The fourth proportional to 303,438,975.75, 454,974,150.69 and 118,985,473.89 is: 178,405,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,438,975.75 : 454,974,150.69 = 118,985,473.89 : x
  2. Step 2: Convert to fraction form
    303,438,975.75/454,974,150.69 = 118,985,473.89/x
  3. Step 3: Cross multiply
    303,438,975.75x = 454,974,150.69 × 118,985,473.89
  4. Step 4: Simplify right side
    303,438,975.75x = 54,135,314,927,549,920
  5. Step 5: Solve for x
    x = 54,135,314,927,549,920/303,438,975.75
  6. Step 6: Final answer
    x = 178,405,937.45

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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.