Home / 154,409,873.80-231,614,810.70-52,172,435.20

Finding the Fourth Proportional to 154,409,873.80, 231,614,810.70 and 52,172,435.20

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Solution

The fourth proportional to 154,409,873.80, 231,614,810.70 and 52,172,435.20 is: 78,258,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409,873.80 : 231,614,810.70 = 52,172,435.20 : x
  2. Step 2: Convert to fraction form
    154,409,873.80/231,614,810.70 = 52,172,435.20/x
  3. Step 3: Cross multiply
    154,409,873.80x = 231,614,810.70 × 52,172,435.20
  4. Step 4: Simplify right side
    154,409,873.80x = 12,083,908,702,606,016
  5. Step 5: Solve for x
    x = 12,083,908,702,606,016/154,409,873.80
  6. Step 6: Final answer
    x = 78,258,652.80

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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.