Home / 78,794,194.30-118,209,006.15-46,429,437.40

Finding the Fourth Proportional to 78,794,194.30, 118,209,006.15 and 46,429,437.40

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Solution

The fourth proportional to 78,794,194.30, 118,209,006.15 and 46,429,437.40 is: 69,654,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,794,194.30 : 118,209,006.15 = 46,429,437.40 : x
  2. Step 2: Convert to fraction form
    78,794,194.30/118,209,006.15 = 46,429,437.40/x
  3. Step 3: Cross multiply
    78,794,194.30x = 118,209,006.15 × 46,429,437.40
  4. Step 4: Simplify right side
    78,794,194.30x = 5,488,377,651,157,640
  5. Step 5: Solve for x
    x = 5,488,377,651,157,640/78,794,194.30
  6. Step 6: Final answer
    x = 69,654,594.48

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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.