Home / 115,255,662,115.52-159,057,784,584.96-63,814,221,539.84

Finding the Fourth Proportional to 115,255,662,115.52, 159,057,784,584.96 and 63,814,221,539.84

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Solution

The fourth proportional to 115,255,662,115.52, 159,057,784,584.96 and 63,814,221,539.84 is: 88,066,377,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,255,662,115.52 : 159,057,784,584.96 = 63,814,221,539.84 : x
  2. Step 2: Convert to fraction form
    115,255,662,115.52/159,057,784,584.96 = 63,814,221,539.84/x
  3. Step 3: Cross multiply
    115,255,662,115.52x = 159,057,784,584.96 × 63,814,221,539.84
  4. Step 4: Simplify right side
    115,255,662,115.52x = 10,150,148,703,140,783,849,472
  5. Step 5: Solve for x
    x = 10,150,148,703,140,783,849,472/115,255,662,115.52
  6. Step 6: Final answer
    x = 88,066,377,970.81

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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.