Home / 48,388,025.80-72,582,038.70-42,719,321.80

Finding the Fourth Proportional to 48,388,025.80, 72,582,038.70 and 42,719,321.80

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Solution

The fourth proportional to 48,388,025.80, 72,582,038.70 and 42,719,321.80 is: 64,078,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,025.80 : 72,582,038.70 = 42,719,321.80 : x
  2. Step 2: Convert to fraction form
    48,388,025.80/72,582,038.70 = 42,719,321.80/x
  3. Step 3: Cross multiply
    48,388,025.80x = 72,582,038.70 × 42,719,321.80
  4. Step 4: Simplify right side
    48,388,025.80x = 3,100,655,468,125,353.50
  5. Step 5: Solve for x
    x = 3,100,655,468,125,353.50/48,388,025.80
  6. Step 6: Final answer
    x = 64,078,982.70

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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.