Home / 110,609,243,457.78-152,639,131,513.86-61,780,776,514.80

Finding the Fourth Proportional to 110,609,243,457.78, 152,639,131,513.86 and 61,780,776,514.80

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Solution

The fourth proportional to 110,609,243,457.78, 152,639,131,513.86 and 61,780,776,514.80 is: 85,256,564,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,609,243,457.78 : 152,639,131,513.86 = 61,780,776,514.80 : x
  2. Step 2: Convert to fraction form
    110,609,243,457.78/152,639,131,513.86 = 61,780,776,514.80/x
  3. Step 3: Cross multiply
    110,609,243,457.78x = 152,639,131,513.86 × 61,780,776,514.80
  4. Step 4: Simplify right side
    110,609,243,457.78x = 9,430,164,071,470,491,238,400
  5. Step 5: Solve for x
    x = 9,430,164,071,470,491,238,400/110,609,243,457.78
  6. Step 6: Final answer
    x = 85,256,564,249.71

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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.