Home / 91,773,397,332.40-137,660,095,998.60-54,489,197,383.60

Finding the Fourth Proportional to 91,773,397,332.40, 137,660,095,998.60 and 54,489,197,383.60

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Solution

The fourth proportional to 91,773,397,332.40, 137,660,095,998.60 and 54,489,197,383.60 is: 81,733,796,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,773,397,332.40 : 137,660,095,998.60 = 54,489,197,383.60 : x
  2. Step 2: Convert to fraction form
    91,773,397,332.40/137,660,095,998.60 = 54,489,197,383.60/x
  3. Step 3: Cross multiply
    91,773,397,332.40x = 137,660,095,998.60 × 54,489,197,383.60
  4. Step 4: Simplify right side
    91,773,397,332.40x = 7,500,988,142,713,039,749,120
  5. Step 5: Solve for x
    x = 7,500,988,142,713,039,749,120/91,773,397,332.40
  6. Step 6: Final answer
    x = 81,733,796,075.40

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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.