Home / 77,431,604.08-116,164,904.36-25,616,084.20

Finding the Fourth Proportional to 77,431,604.08, 116,164,904.36 and 25,616,084.20

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Solution

The fourth proportional to 77,431,604.08, 116,164,904.36 and 25,616,084.20 is: 38,429,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,431,604.08 : 116,164,904.36 = 25,616,084.20 : x
  2. Step 2: Convert to fraction form
    77,431,604.08/116,164,904.36 = 25,616,084.20/x
  3. Step 3: Cross multiply
    77,431,604.08x = 116,164,904.36 × 25,616,084.20
  4. Step 4: Simplify right side
    77,431,604.08x = 2,975,689,971,170,707
  5. Step 5: Solve for x
    x = 2,975,689,971,170,707/77,431,604.08
  6. Step 6: Final answer
    x = 38,429,915.10

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1.5x scale

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.