Home / 154,409,869.80-231,614,804.70-52,172,431.20

Finding the Fourth Proportional to 154,409,869.80, 231,614,804.70 and 52,172,431.20

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Solution

The fourth proportional to 154,409,869.80, 231,614,804.70 and 52,172,431.20 is: 78,258,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409,869.80 : 231,614,804.70 = 52,172,431.20 : x
  2. Step 2: Convert to fraction form
    154,409,869.80/231,614,804.70 = 52,172,431.20/x
  3. Step 3: Cross multiply
    154,409,869.80x = 231,614,804.70 × 52,172,431.20
  4. Step 4: Simplify right side
    154,409,869.80x = 12,083,907,463,112,186
  5. Step 5: Solve for x
    x = 12,083,907,463,112,186/154,409,869.80
  6. Step 6: Final answer
    x = 78,258,646.80

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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.