Home / 129,873,209,290.13-179,161,340,245.59-112,701,961,963.89

Finding the Fourth Proportional to 129,873,209,290.13, 179,161,340,245.59 and 112,701,961,963.89

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Solution

The fourth proportional to 129,873,209,290.13, 179,161,340,245.59 and 112,701,961,963.89 is: 155,473,439,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,873,209,290.13 : 179,161,340,245.59 = 112,701,961,963.89 : x
  2. Step 2: Convert to fraction form
    129,873,209,290.13/179,161,340,245.59 = 112,701,961,963.89/x
  3. Step 3: Cross multiply
    129,873,209,290.13x = 179,161,340,245.59 × 112,701,961,963.89
  4. Step 4: Simplify right side
    129,873,209,290.13x = 20,191,834,553,758,039,146,496
  5. Step 5: Solve for x
    x = 20,191,834,553,758,039,146,496/129,873,209,290.13
  6. Step 6: Final answer
    x = 155,473,439,550.19

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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.