Home / 171,072,108.80-256,384,214.40-68,752,390.40

Finding the Fourth Proportional to 171,072,108.80, 256,384,214.40 and 68,752,390.40

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Solution

The fourth proportional to 171,072,108.80, 256,384,214.40 and 68,752,390.40 is: 103,038,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,108.80 : 256,384,214.40 = 68,752,390.40 : x
  2. Step 2: Convert to fraction form
    171,072,108.80/256,384,214.40 = 68,752,390.40/x
  3. Step 3: Cross multiply
    171,072,108.80x = 256,384,214.40 × 68,752,390.40
  4. Step 4: Simplify right side
    171,072,108.80x = 17,627,027,600,826,104
  5. Step 5: Solve for x
    x = 17,627,027,600,826,104/171,072,108.80
  6. Step 6: Final answer
    x = 103,038,582.53

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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.