Home / 39,856,611.20-59,784,916.80-30,219,814.40

Finding the Fourth Proportional to 39,856,611.20, 59,784,916.80 and 30,219,814.40

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Solution

The fourth proportional to 39,856,611.20, 59,784,916.80 and 30,219,814.40 is: 45,329,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,611.20 : 59,784,916.80 = 30,219,814.40 : x
  2. Step 2: Convert to fraction form
    39,856,611.20/59,784,916.80 = 30,219,814.40/x
  3. Step 3: Cross multiply
    39,856,611.20x = 59,784,916.80 × 30,219,814.40
  4. Step 4: Simplify right side
    39,856,611.20x = 1,806,689,089,615,441.75
  5. Step 5: Solve for x
    x = 1,806,689,089,615,441.75/39,856,611.20
  6. Step 6: Final answer
    x = 45,329,721.60

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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.