Home / 79,636,917,102.66-119,474,215,507.32-25,853,948,729.82

Finding the Fourth Proportional to 79,636,917,102.66, 119,474,215,507.32 and 25,853,948,729.82

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Solution

The fourth proportional to 79,636,917,102.66, 119,474,215,507.32 and 25,853,948,729.82 is: 38,787,039,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,636,917,102.66 : 119,474,215,507.32 = 25,853,948,729.82 : x
  2. Step 2: Convert to fraction form
    79,636,917,102.66/119,474,215,507.32 = 25,853,948,729.82/x
  3. Step 3: Cross multiply
    79,636,917,102.66x = 119,474,215,507.32 × 25,853,948,729.82
  4. Step 4: Simplify right side
    79,636,917,102.66x = 3,088,880,242,261,717,155,840
  5. Step 5: Solve for x
    x = 3,088,880,242,261,717,155,840/79,636,917,102.66
  6. Step 6: Final answer
    x = 38,787,039,411.38

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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.