Home / 160,380,710.12-221,325,472.04-87,041,852.12

Finding the Fourth Proportional to 160,380,710.12, 221,325,472.04 and 87,041,852.12

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Solution

The fourth proportional to 160,380,710.12, 221,325,472.04 and 87,041,852.12 is: 120,117,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,380,710.12 : 221,325,472.04 = 87,041,852.12 : x
  2. Step 2: Convert to fraction form
    160,380,710.12/221,325,472.04 = 87,041,852.12/x
  3. Step 3: Cross multiply
    160,380,710.12x = 221,325,472.04 × 87,041,852.12
  4. Step 4: Simplify right side
    160,380,710.12x = 19,264,579,007,694,876
  5. Step 5: Solve for x
    x = 19,264,579,007,694,876/160,380,710.12
  6. Step 6: Final answer
    x = 120,117,805.90

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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.