Home / 139,490,681,531.94-209,269,277,179.20-45,163,657,711.26

Finding the Fourth Proportional to 139,490,681,531.94, 209,269,277,179.20 and 45,163,657,711.26

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Solution

The fourth proportional to 139,490,681,531.94, 209,269,277,179.20 and 45,163,657,711.26 is: 67,756,253,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,490,681,531.94 : 209,269,277,179.20 = 45,163,657,711.26 : x
  2. Step 2: Convert to fraction form
    139,490,681,531.94/209,269,277,179.20 = 45,163,657,711.26/x
  3. Step 3: Cross multiply
    139,490,681,531.94x = 209,269,277,179.20 × 45,163,657,711.26
  4. Step 4: Simplify right side
    139,490,681,531.94x = 9,451,366,004,004,183,080,960
  5. Step 5: Solve for x
    x = 9,451,366,004,004,183,080,960/139,490,681,531.94
  6. Step 6: Final answer
    x = 67,756,253,680.93

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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.