Home / 240,427,983.60-360,641,975.40-138,391,311.60

Finding the Fourth Proportional to 240,427,983.60, 360,641,975.40 and 138,391,311.60

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Solution

The fourth proportional to 240,427,983.60, 360,641,975.40 and 138,391,311.60 is: 207,586,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,427,983.60 : 360,641,975.40 = 138,391,311.60 : x
  2. Step 2: Convert to fraction form
    240,427,983.60/360,641,975.40 = 138,391,311.60/x
  3. Step 3: Cross multiply
    240,427,983.60x = 360,641,975.40 × 138,391,311.60
  4. Step 4: Simplify right side
    240,427,983.60x = 49,909,715,993,620,928
  5. Step 5: Solve for x
    x = 49,909,715,993,620,928/240,427,983.60
  6. Step 6: Final answer
    x = 207,586,967.40

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1.5x scale

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.