Home / 69,009,411,691.20-103,514,117,536.80-27,680,208,081.60

Finding the Fourth Proportional to 69,009,411,691.20, 103,514,117,536.80 and 27,680,208,081.60

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Solution

The fourth proportional to 69,009,411,691.20, 103,514,117,536.80 and 27,680,208,081.60 is: 41,520,312,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009,411,691.20 : 103,514,117,536.80 = 27,680,208,081.60 : x
  2. Step 2: Convert to fraction form
    69,009,411,691.20/103,514,117,536.80 = 27,680,208,081.60/x
  3. Step 3: Cross multiply
    69,009,411,691.20x = 103,514,117,536.80 × 27,680,208,081.60
  4. Step 4: Simplify right side
    69,009,411,691.20x = 2,865,292,312,801,823,424,512
  5. Step 5: Solve for x
    x = 2,865,292,312,801,823,424,512/69,009,411,691.20
  6. Step 6: Final answer
    x = 41,520,312,122.40

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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.