Home / 123,610,216.84-170,603,210.58-71,389,866.76

Finding the Fourth Proportional to 123,610,216.84, 170,603,210.58 and 71,389,866.76

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Solution

The fourth proportional to 123,610,216.84, 170,603,210.58 and 71,389,866.76 is: 98,530,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610,216.84 : 170,603,210.58 = 71,389,866.76 : x
  2. Step 2: Convert to fraction form
    123,610,216.84/170,603,210.58 = 71,389,866.76/x
  3. Step 3: Cross multiply
    123,610,216.84x = 170,603,210.58 × 71,389,866.76
  4. Step 4: Simplify right side
    123,610,216.84x = 12,179,340,472,134,424
  5. Step 5: Solve for x
    x = 12,179,340,472,134,424/123,610,216.84
  6. Step 6: Final answer
    x = 98,530,208.78

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1.5x scale

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.