Home / 130,802,960.78-196,197,919.14-48,915,818.90

Finding the Fourth Proportional to 130,802,960.78, 196,197,919.14 and 48,915,818.90

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Solution

The fourth proportional to 130,802,960.78, 196,197,919.14 and 48,915,818.90 is: 73,371,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,802,960.78 : 196,197,919.14 = 48,915,818.90 : x
  2. Step 2: Convert to fraction form
    130,802,960.78/196,197,919.14 = 48,915,818.90/x
  3. Step 3: Cross multiply
    130,802,960.78x = 196,197,919.14 × 48,915,818.90
  4. Step 4: Simplify right side
    130,802,960.78x = 9,597,181,881,209,082
  5. Step 5: Solve for x
    x = 9,597,181,881,209,082/130,802,960.78
  6. Step 6: Final answer
    x = 73,371,289.33

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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.