Home / 76,189,640.54-105,139,915.58-44,829,720.72

Finding the Fourth Proportional to 76,189,640.54, 105,139,915.58 and 44,829,720.72

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Solution

The fourth proportional to 76,189,640.54, 105,139,915.58 and 44,829,720.72 is: 61,863,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,189,640.54 : 105,139,915.58 = 44,829,720.72 : x
  2. Step 2: Convert to fraction form
    76,189,640.54/105,139,915.58 = 44,829,720.72/x
  3. Step 3: Cross multiply
    76,189,640.54x = 105,139,915.58 × 44,829,720.72
  4. Step 4: Simplify right side
    76,189,640.54x = 4,713,393,051,975,777
  5. Step 5: Solve for x
    x = 4,713,393,051,975,777/76,189,640.54
  6. Step 6: Final answer
    x = 61,863,962.33

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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.