Home / 90,699,424,021.60-136,049,136,032.40-53,415,224,072.80

Finding the Fourth Proportional to 90,699,424,021.60, 136,049,136,032.40 and 53,415,224,072.80

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Solution

The fourth proportional to 90,699,424,021.60, 136,049,136,032.40 and 53,415,224,072.80 is: 80,122,836,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,424,021.60 : 136,049,136,032.40 = 53,415,224,072.80 : x
  2. Step 2: Convert to fraction form
    90,699,424,021.60/136,049,136,032.40 = 53,415,224,072.80/x
  3. Step 3: Cross multiply
    90,699,424,021.60x = 136,049,136,032.40 × 53,415,224,072.80
  4. Step 4: Simplify right side
    90,699,424,021.60x = 7,267,095,086,081,494,745,088
  5. Step 5: Solve for x
    x = 7,267,095,086,081,494,745,088/90,699,424,021.60
  6. Step 6: Final answer
    x = 80,122,836,109.20

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Double scale
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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.