Home / 123,792,002.20-185,688,003.30-66,396,374.20

Finding the Fourth Proportional to 123,792,002.20, 185,688,003.30 and 66,396,374.20

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Solution

The fourth proportional to 123,792,002.20, 185,688,003.30 and 66,396,374.20 is: 99,594,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,792,002.20 : 185,688,003.30 = 66,396,374.20 : x
  2. Step 2: Convert to fraction form
    123,792,002.20/185,688,003.30 = 66,396,374.20/x
  3. Step 3: Cross multiply
    123,792,002.20x = 185,688,003.30 × 66,396,374.20
  4. Step 4: Simplify right side
    123,792,002.20x = 12,329,010,151,557,636
  5. Step 5: Solve for x
    x = 12,329,010,151,557,636/123,792,002.20
  6. Step 6: Final answer
    x = 99,594,561.30

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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.