Home / 137,574,279.83-206,490,710.52-72,042,453.89

Finding the Fourth Proportional to 137,574,279.83, 206,490,710.52 and 72,042,453.89

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Solution

The fourth proportional to 137,574,279.83, 206,490,710.52 and 72,042,453.89 is: 108,131,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,574,279.83 : 206,490,710.52 = 72,042,453.89 : x
  2. Step 2: Convert to fraction form
    137,574,279.83/206,490,710.52 = 72,042,453.89/x
  3. Step 3: Cross multiply
    137,574,279.83x = 206,490,710.52 × 72,042,453.89
  4. Step 4: Simplify right side
    137,574,279.83x = 14,876,097,492,136,824
  5. Step 5: Solve for x
    x = 14,876,097,492,136,824/137,574,279.83
  6. Step 6: Final answer
    x = 108,131,385.54

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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.