Home / 78,032,696.88-116,574,439.34-50,514,813.12

Finding the Fourth Proportional to 78,032,696.88, 116,574,439.34 and 50,514,813.12

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Solution

The fourth proportional to 78,032,696.88, 116,574,439.34 and 50,514,813.12 is: 75,464,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032,696.88 : 116,574,439.34 = 50,514,813.12 : x
  2. Step 2: Convert to fraction form
    78,032,696.88/116,574,439.34 = 50,514,813.12/x
  3. Step 3: Cross multiply
    78,032,696.88x = 116,574,439.34 × 50,514,813.12
  4. Step 4: Simplify right side
    78,032,696.88x = 5,888,736,017,828,876
  5. Step 5: Solve for x
    x = 5,888,736,017,828,876/78,032,696.88
  6. Step 6: Final answer
    x = 75,464,981.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.