Home / 159,119,744,629.64-219,590,444,781.30-86,865,662,189.96

Finding the Fourth Proportional to 159,119,744,629.64, 219,590,444,781.30 and 86,865,662,189.96

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Solution

The fourth proportional to 159,119,744,629.64, 219,590,444,781.30 and 86,865,662,189.96 is: 119,877,451,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,119,744,629.64 : 219,590,444,781.30 = 86,865,662,189.96 : x
  2. Step 2: Convert to fraction form
    159,119,744,629.64/219,590,444,781.30 = 86,865,662,189.96/x
  3. Step 3: Cross multiply
    159,119,744,629.64x = 219,590,444,781.30 × 86,865,662,189.96
  4. Step 4: Simplify right side
    159,119,744,629.64x = 19,074,869,396,515,472,801,792
  5. Step 5: Solve for x
    x = 19,074,869,396,515,472,801,792/159,119,744,629.64
  6. Step 6: Final answer
    x = 119,877,451,041.12

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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.