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Finding the Fourth Proportional to 51,072,401.40, 76,608,602.10 and 51,072,401.40

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Solution

The fourth proportional to 51,072,401.40, 76,608,602.10 and 51,072,401.40 is: 76,608,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072,401.40 : 76,608,602.10 = 51,072,401.40 : x
  2. Step 2: Convert to fraction form
    51,072,401.40/76,608,602.10 = 51,072,401.40/x
  3. Step 3: Cross multiply
    51,072,401.40x = 76,608,602.10 × 51,072,401.40
  4. Step 4: Simplify right side
    51,072,401.40x = 3,912,585,277,144,082.50
  5. Step 5: Solve for x
    x = 3,912,585,277,144,082.50/51,072,401.40
  6. Step 6: Final answer
    x = 76,608,602.10

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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.