Home / 129,873,209,327.55-179,161,340,296.29-112,701,962,001.33

Finding the Fourth Proportional to 129,873,209,327.55, 179,161,340,296.29 and 112,701,962,001.33

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Solution

The fourth proportional to 129,873,209,327.55, 179,161,340,296.29 and 112,701,962,001.33 is: 155,473,439,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,873,209,327.55 : 179,161,340,296.29 = 112,701,962,001.33 : x
  2. Step 2: Convert to fraction form
    129,873,209,327.55/179,161,340,296.29 = 112,701,962,001.33/x
  3. Step 3: Cross multiply
    129,873,209,327.55x = 179,161,340,296.29 × 112,701,962,001.33
  4. Step 4: Simplify right side
    129,873,209,327.55x = 20,191,834,566,179,831,152,640
  5. Step 5: Solve for x
    x = 20,191,834,566,179,831,152,640/129,873,209,327.55
  6. Step 6: Final answer
    x = 155,473,439,601.04

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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.