Home / 453,006,039.11-679,509,846.87-142,137,511.94

Finding the Fourth Proportional to 453,006,039.11, 679,509,846.87 and 142,137,511.94

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Solution

The fourth proportional to 453,006,039.11, 679,509,846.87 and 142,137,511.94 is: 213,206,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,006,039.11 : 679,509,846.87 = 142,137,511.94 : x
  2. Step 2: Convert to fraction form
    453,006,039.11/679,509,846.87 = 142,137,511.94/x
  3. Step 3: Cross multiply
    453,006,039.11x = 679,509,846.87 × 142,137,511.94
  4. Step 4: Simplify right side
    453,006,039.11x = 96,583,838,969,434,656
  5. Step 5: Solve for x
    x = 96,583,838,969,434,656/453,006,039.11
  6. Step 6: Final answer
    x = 213,206,515.22

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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.