Home / 172,037,647.40-258,056,471.10-69,850,639.40

Finding the Fourth Proportional to 172,037,647.40, 258,056,471.10 and 69,850,639.40

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Solution

The fourth proportional to 172,037,647.40, 258,056,471.10 and 69,850,639.40 is: 104,775,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037,647.40 : 258,056,471.10 = 69,850,639.40 : x
  2. Step 2: Convert to fraction form
    172,037,647.40/258,056,471.10 = 69,850,639.40/x
  3. Step 3: Cross multiply
    172,037,647.40x = 258,056,471.10 × 69,850,639.40
  4. Step 4: Simplify right side
    172,037,647.40x = 18,025,409,507,642,624
  5. Step 5: Solve for x
    x = 18,025,409,507,642,624/172,037,647.40
  6. Step 6: Final answer
    x = 104,775,959.10

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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.