Home / 52,590,289.20-78,899,257.80-16,688,439.60

Finding the Fourth Proportional to 52,590,289.20, 78,899,257.80 and 16,688,439.60

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Solution

The fourth proportional to 52,590,289.20, 78,899,257.80 and 16,688,439.60 is: 25,037,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,590,289.20 : 78,899,257.80 = 16,688,439.60 : x
  2. Step 2: Convert to fraction form
    52,590,289.20/78,899,257.80 = 16,688,439.60/x
  3. Step 3: Cross multiply
    52,590,289.20x = 78,899,257.80 × 16,688,439.60
  4. Step 4: Simplify right side
    52,590,289.20x = 1,316,705,498,280,128.75
  5. Step 5: Solve for x
    x = 1,316,705,498,280,128.75/52,590,289.20
  6. Step 6: Final answer
    x = 25,037,046.16

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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.