Home / 90,699,446,962.60-136,049,170,443.90-57,394,677,221.80

Finding the Fourth Proportional to 90,699,446,962.60, 136,049,170,443.90 and 57,394,677,221.80

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Solution

The fourth proportional to 90,699,446,962.60, 136,049,170,443.90 and 57,394,677,221.80 is: 86,092,015,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,446,962.60 : 136,049,170,443.90 = 57,394,677,221.80 : x
  2. Step 2: Convert to fraction form
    90,699,446,962.60/136,049,170,443.90 = 57,394,677,221.80/x
  3. Step 3: Cross multiply
    90,699,446,962.60x = 136,049,170,443.90 × 57,394,677,221.80
  4. Step 4: Simplify right side
    90,699,446,962.60x = 7,808,498,223,921,293,688,832
  5. Step 5: Solve for x
    x = 7,808,498,223,921,293,688,832/90,699,446,962.60
  6. Step 6: Final answer
    x = 86,092,015,832.70

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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.