Home / 159,276,619,988.61-219,801,823,759.39-86,032,850,318.00

Finding the Fourth Proportional to 159,276,619,988.61, 219,801,823,759.39 and 86,032,850,318.00

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Solution

The fourth proportional to 159,276,619,988.61, 219,801,823,759.39 and 86,032,850,318.00 is: 118,725,381,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,276,619,988.61 : 219,801,823,759.39 = 86,032,850,318.00 : x
  2. Step 2: Convert to fraction form
    159,276,619,988.61/219,801,823,759.39 = 86,032,850,318.00/x
  3. Step 3: Cross multiply
    159,276,619,988.61x = 219,801,823,759.39 × 86,032,850,318.00
  4. Step 4: Simplify right side
    159,276,619,988.61x = 18,910,177,403,115,677,941,760
  5. Step 5: Solve for x
    x = 18,910,177,403,115,677,941,760/159,276,619,988.61
  6. Step 6: Final answer
    x = 118,725,381,066.40

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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.