Home / 136,935,882,145.44-188,893,005,502.44-85,404,977,985.18

Finding the Fourth Proportional to 136,935,882,145.44, 188,893,005,502.44 and 85,404,977,985.18

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Solution

The fourth proportional to 136,935,882,145.44, 188,893,005,502.44 and 85,404,977,985.18 is: 117,809,902,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935,882,145.44 : 188,893,005,502.44 = 85,404,977,985.18 : x
  2. Step 2: Convert to fraction form
    136,935,882,145.44/188,893,005,502.44 = 85,404,977,985.18/x
  3. Step 3: Cross multiply
    136,935,882,145.44x = 188,893,005,502.44 × 85,404,977,985.18
  4. Step 4: Simplify right side
    136,935,882,145.44x = 16,132,402,976,490,371,678,208
  5. Step 5: Solve for x
    x = 16,132,402,976,490,371,678,208/136,935,882,145.44
  6. Step 6: Final answer
    x = 117,809,902,881.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.