Home / 159,473,550.56-220,073,648.08-86,134,692.56

Finding the Fourth Proportional to 159,473,550.56, 220,073,648.08 and 86,134,692.56

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Solution

The fourth proportional to 159,473,550.56, 220,073,648.08 and 86,134,692.56 is: 118,865,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,473,550.56 : 220,073,648.08 = 86,134,692.56 : x
  2. Step 2: Convert to fraction form
    159,473,550.56/220,073,648.08 = 86,134,692.56/x
  3. Step 3: Cross multiply
    159,473,550.56x = 220,073,648.08 × 86,134,692.56
  4. Step 4: Simplify right side
    159,473,550.56x = 18,955,976,017,928,436
  5. Step 5: Solve for x
    x = 18,955,976,017,928,436/159,473,550.56
  6. Step 6: Final answer
    x = 118,865,955.84

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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.