Home / 112,833,830.18-155,644,714.94-70,951,610.13

Finding the Fourth Proportional to 112,833,830.18, 155,644,714.94 and 70,951,610.13

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Solution

The fourth proportional to 112,833,830.18, 155,644,714.94 and 70,951,610.13 is: 97,871,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833,830.18 : 155,644,714.94 = 70,951,610.13 : x
  2. Step 2: Convert to fraction form
    112,833,830.18/155,644,714.94 = 70,951,610.13/x
  3. Step 3: Cross multiply
    112,833,830.18x = 155,644,714.94 × 70,951,610.13
  4. Step 4: Simplify right side
    112,833,830.18x = 11,043,243,132,863,108
  5. Step 5: Solve for x
    x = 11,043,243,132,863,108/112,833,830.18
  6. Step 6: Final answer
    x = 97,871,738.61

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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.