Home / 129,873,209,294.14-179,161,340,251.10-112,701,961,967.90

Finding the Fourth Proportional to 129,873,209,294.14, 179,161,340,251.10 and 112,701,961,967.90

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Solution

The fourth proportional to 129,873,209,294.14, 179,161,340,251.10 and 112,701,961,967.90 is: 155,473,439,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,873,209,294.14 : 179,161,340,251.10 = 112,701,961,967.90 : x
  2. Step 2: Convert to fraction form
    129,873,209,294.14/179,161,340,251.10 = 112,701,961,967.90/x
  3. Step 3: Cross multiply
    129,873,209,294.14x = 179,161,340,251.10 × 112,701,961,967.90
  4. Step 4: Simplify right side
    129,873,209,294.14x = 20,191,834,555,097,464,963,072
  5. Step 5: Solve for x
    x = 20,191,834,555,097,464,963,072/129,873,209,294.14
  6. Step 6: Final answer
    x = 155,473,439,555.70

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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.