Home / 69,125,927.20-103,688,890.80-43,483,789.60

Finding the Fourth Proportional to 69,125,927.20, 103,688,890.80 and 43,483,789.60

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Solution

The fourth proportional to 69,125,927.20, 103,688,890.80 and 43,483,789.60 is: 65,225,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125,927.20 : 103,688,890.80 = 43,483,789.60 : x
  2. Step 2: Convert to fraction form
    69,125,927.20/103,688,890.80 = 43,483,789.60/x
  3. Step 3: Cross multiply
    69,125,927.20x = 103,688,890.80 × 43,483,789.60
  4. Step 4: Simplify right side
    69,125,927.20x = 4,508,785,911,404,576
  5. Step 5: Solve for x
    x = 4,508,785,911,404,576/69,125,927.20
  6. Step 6: Final answer
    x = 65,225,684.40

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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.