Home / 39,856,601.20-59,784,901.80-30,219,804.40

Finding the Fourth Proportional to 39,856,601.20, 59,784,901.80 and 30,219,804.40

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Solution

The fourth proportional to 39,856,601.20, 59,784,901.80 and 30,219,804.40 is: 45,329,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,601.20 : 59,784,901.80 = 30,219,804.40 : x
  2. Step 2: Convert to fraction form
    39,856,601.20/59,784,901.80 = 30,219,804.40/x
  3. Step 3: Cross multiply
    39,856,601.20x = 59,784,901.80 × 30,219,804.40
  4. Step 4: Simplify right side
    39,856,601.20x = 1,806,688,038,469,207.75
  5. Step 5: Solve for x
    x = 1,806,688,038,469,207.75/39,856,601.20
  6. Step 6: Final answer
    x = 45,329,706.60

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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.