Home / 72,427,094.58-100,212,579.54-63,154,001.28

Finding the Fourth Proportional to 72,427,094.58, 100,212,579.54 and 63,154,001.28

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Solution

The fourth proportional to 72,427,094.58, 100,212,579.54 and 63,154,001.28 is: 87,382,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427,094.58 : 100,212,579.54 = 63,154,001.28 : x
  2. Step 2: Convert to fraction form
    72,427,094.58/100,212,579.54 = 63,154,001.28/x
  3. Step 3: Cross multiply
    72,427,094.58x = 100,212,579.54 × 63,154,001.28
  4. Step 4: Simplify right side
    72,427,094.58x = 6,328,825,376,541,262
  5. Step 5: Solve for x
    x = 6,328,825,376,541,262/72,427,094.58
  6. Step 6: Final answer
    x = 87,382,013.78

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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.