Home / 130,406,942.80-195,610,414.20-84,490,440.40

Finding the Fourth Proportional to 130,406,942.80, 195,610,414.20 and 84,490,440.40

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Solution

The fourth proportional to 130,406,942.80, 195,610,414.20 and 84,490,440.40 is: 126,735,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,406,942.80 : 195,610,414.20 = 84,490,440.40 : x
  2. Step 2: Convert to fraction form
    130,406,942.80/195,610,414.20 = 84,490,440.40/x
  3. Step 3: Cross multiply
    130,406,942.80x = 195,610,414.20 × 84,490,440.40
  4. Step 4: Simplify right side
    130,406,942.80x = 16,527,210,042,584,414
  5. Step 5: Solve for x
    x = 16,527,210,042,584,414/130,406,942.80
  6. Step 6: Final answer
    x = 126,735,660.60

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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.