Home / 69,572,146.80-104,358,220.20-63,620,007.60

Finding the Fourth Proportional to 69,572,146.80, 104,358,220.20 and 63,620,007.60

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Solution

The fourth proportional to 69,572,146.80, 104,358,220.20 and 63,620,007.60 is: 95,430,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572,146.80 : 104,358,220.20 = 63,620,007.60 : x
  2. Step 2: Convert to fraction form
    69,572,146.80/104,358,220.20 = 63,620,007.60/x
  3. Step 3: Cross multiply
    69,572,146.80x = 104,358,220.20 × 63,620,007.60
  4. Step 4: Simplify right side
    69,572,146.80x = 6,639,270,762,246,474
  5. Step 5: Solve for x
    x = 6,639,270,762,246,474/69,572,146.80
  6. Step 6: Final answer
    x = 95,430,011.40

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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.