Home / 77,431,604.33-116,164,904.74-25,616,084.45

Finding the Fourth Proportional to 77,431,604.33, 116,164,904.74 and 25,616,084.45

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Solution

The fourth proportional to 77,431,604.33, 116,164,904.74 and 25,616,084.45 is: 38,429,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,431,604.33 : 116,164,904.74 = 25,616,084.45 : x
  2. Step 2: Convert to fraction form
    77,431,604.33/116,164,904.74 = 25,616,084.45/x
  3. Step 3: Cross multiply
    77,431,604.33x = 116,164,904.74 × 25,616,084.45
  4. Step 4: Simplify right side
    77,431,604.33x = 2,975,690,009,946,045
  5. Step 5: Solve for x
    x = 2,975,690,009,946,045/77,431,604.33
  6. Step 6: Final answer
    x = 38,429,915.48

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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.