Home / 170,085,038.40-255,174,796.80-73,087,214.40

Finding the Fourth Proportional to 170,085,038.40, 255,174,796.80 and 73,087,214.40

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Solution

The fourth proportional to 170,085,038.40, 255,174,796.80 and 73,087,214.40 is: 109,651,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,085,038.40 : 255,174,796.80 = 73,087,214.40 : x
  2. Step 2: Convert to fraction form
    170,085,038.40/255,174,796.80 = 73,087,214.40/x
  3. Step 3: Cross multiply
    170,085,038.40x = 255,174,796.80 × 73,087,214.40
  4. Step 4: Simplify right side
    170,085,038.40x = 18,650,015,083,198,036
  5. Step 5: Solve for x
    x = 18,650,015,083,198,036/170,085,038.40
  6. Step 6: Final answer
    x = 109,651,120.75

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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.