Home / 170,520,581.12-235,318,236-92,203,947.20

Finding the Fourth Proportional to 170,520,581.12, 235,318,236 and 92,203,947.20

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Solution

The fourth proportional to 170,520,581.12, 235,318,236 and 92,203,947.20 is: 127,241,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,520,581.12 : 235,318,236 = 92,203,947.20 : x
  2. Step 2: Convert to fraction form
    170,520,581.12/235,318,236 = 92,203,947.20/x
  3. Step 3: Cross multiply
    170,520,581.12x = 235,318,236 × 92,203,947.20
  4. Step 4: Simplify right side
    170,520,581.12x = 21,697,270,207,341,140
  5. Step 5: Solve for x
    x = 21,697,270,207,341,140/170,520,581.12
  6. Step 6: Final answer
    x = 127,241,357.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.