Home / 149,479,214.80-224,218,822.20-140,409,288.40

Finding the Fourth Proportional to 149,479,214.80, 224,218,822.20 and 140,409,288.40

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Solution

The fourth proportional to 149,479,214.80, 224,218,822.20 and 140,409,288.40 is: 210,613,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,479,214.80 : 224,218,822.20 = 140,409,288.40 : x
  2. Step 2: Convert to fraction form
    149,479,214.80/224,218,822.20 = 140,409,288.40/x
  3. Step 3: Cross multiply
    149,479,214.80x = 224,218,822.20 × 140,409,288.40
  4. Step 4: Simplify right side
    149,479,214.80x = 31,482,405,270,988,124
  5. Step 5: Solve for x
    x = 31,482,405,270,988,124/149,479,214.80
  6. Step 6: Final answer
    x = 210,613,932.60

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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.