Home / 306,767,145.60-460,150,718.40-145,524,009.60

Finding the Fourth Proportional to 306,767,145.60, 460,150,718.40 and 145,524,009.60

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Solution

The fourth proportional to 306,767,145.60, 460,150,718.40 and 145,524,009.60 is: 218,286,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,767,145.60 : 460,150,718.40 = 145,524,009.60 : x
  2. Step 2: Convert to fraction form
    306,767,145.60/460,150,718.40 = 145,524,009.60/x
  3. Step 3: Cross multiply
    306,767,145.60x = 460,150,718.40 × 145,524,009.60
  4. Step 4: Simplify right side
    306,767,145.60x = 66,962,977,561,888,488
  5. Step 5: Solve for x
    x = 66,962,977,561,888,488/306,767,145.60
  6. Step 6: Final answer
    x = 218,286,014.40

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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.