Home / 310,041,475.20-465,062,212.80-155,073,279.60

Finding the Fourth Proportional to 310,041,475.20, 465,062,212.80 and 155,073,279.60

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Solution

The fourth proportional to 310,041,475.20, 465,062,212.80 and 155,073,279.60 is: 232,609,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,041,475.20 : 465,062,212.80 = 155,073,279.60 : x
  2. Step 2: Convert to fraction form
    310,041,475.20/465,062,212.80 = 155,073,279.60/x
  3. Step 3: Cross multiply
    310,041,475.20x = 465,062,212.80 × 155,073,279.60
  4. Step 4: Simplify right side
    310,041,475.20x = 72,118,722,556,929,104
  5. Step 5: Solve for x
    x = 72,118,722,556,929,104/310,041,475.20
  6. Step 6: Final answer
    x = 232,609,919.40

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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.