Home / 129,146,724,117.20-193,720,086,175.80-59,353,640,469.20

Finding the Fourth Proportional to 129,146,724,117.20, 193,720,086,175.80 and 59,353,640,469.20

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Solution

The fourth proportional to 129,146,724,117.20, 193,720,086,175.80 and 59,353,640,469.20 is: 89,030,460,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,146,724,117.20 : 193,720,086,175.80 = 59,353,640,469.20 : x
  2. Step 2: Convert to fraction form
    129,146,724,117.20/193,720,086,175.80 = 59,353,640,469.20/x
  3. Step 3: Cross multiply
    129,146,724,117.20x = 193,720,086,175.80 × 59,353,640,469.20
  4. Step 4: Simplify right side
    129,146,724,117.20x = 11,497,992,346,540,873,613,312
  5. Step 5: Solve for x
    x = 11,497,992,346,540,873,613,312/129,146,724,117.20
  6. Step 6: Final answer
    x = 89,030,460,703.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.