Home / 125,124,526,639.52-172,670,632,809.36-68,031,836,358.56

Finding the Fourth Proportional to 125,124,526,639.52, 172,670,632,809.36 and 68,031,836,358.56

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Solution

The fourth proportional to 125,124,526,639.52, 172,670,632,809.36 and 68,031,836,358.56 is: 93,883,274,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,124,526,639.52 : 172,670,632,809.36 = 68,031,836,358.56 : x
  2. Step 2: Convert to fraction form
    125,124,526,639.52/172,670,632,809.36 = 68,031,836,358.56/x
  3. Step 3: Cross multiply
    125,124,526,639.52x = 172,670,632,809.36 × 68,031,836,358.56
  4. Step 4: Simplify right side
    125,124,526,639.52x = 11,747,100,235,215,379,890,176
  5. Step 5: Solve for x
    x = 11,747,100,235,215,379,890,176/125,124,526,639.52
  6. Step 6: Final answer
    x = 93,883,274,132.64

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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.