Home / 131,150,714.62-180,988,644.90-72,413,493.34

Finding the Fourth Proportional to 131,150,714.62, 180,988,644.90 and 72,413,493.34

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Solution

The fourth proportional to 131,150,714.62, 180,988,644.90 and 72,413,493.34 is: 99,930,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,150,714.62 : 180,988,644.90 = 72,413,493.34 : x
  2. Step 2: Convert to fraction form
    131,150,714.62/180,988,644.90 = 72,413,493.34/x
  3. Step 3: Cross multiply
    131,150,714.62x = 180,988,644.90 × 72,413,493.34
  4. Step 4: Simplify right side
    131,150,714.62x = 13,106,020,032,081,776
  5. Step 5: Solve for x
    x = 13,106,020,032,081,776/131,150,714.62
  6. Step 6: Final answer
    x = 99,930,984.52

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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.