Home / 152,255,792.28-210,107,362.14-82,639,692.12

Finding the Fourth Proportional to 152,255,792.28, 210,107,362.14 and 82,639,692.12

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Solution

The fourth proportional to 152,255,792.28, 210,107,362.14 and 82,639,692.12 is: 114,039,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,255,792.28 : 210,107,362.14 = 82,639,692.12 : x
  2. Step 2: Convert to fraction form
    152,255,792.28/210,107,362.14 = 82,639,692.12/x
  3. Step 3: Cross multiply
    152,255,792.28x = 210,107,362.14 × 82,639,692.12
  4. Step 4: Simplify right side
    152,255,792.28x = 17,363,207,719,394,944
  5. Step 5: Solve for x
    x = 17,363,207,719,394,944/152,255,792.28
  6. Step 6: Final answer
    x = 114,039,718.68

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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.