Home / 65,666,664.90-90,620,017.20-35,897,442.42

Finding the Fourth Proportional to 65,666,664.90, 90,620,017.20 and 35,897,442.42

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Solution

The fourth proportional to 65,666,664.90, 90,620,017.20 and 35,897,442.42 is: 49,538,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,666,664.90 : 90,620,017.20 = 35,897,442.42 : x
  2. Step 2: Convert to fraction form
    65,666,664.90/90,620,017.20 = 35,897,442.42/x
  3. Step 3: Cross multiply
    65,666,664.90x = 90,620,017.20 × 35,897,442.42
  4. Step 4: Simplify right side
    65,666,664.90x = 3,253,026,849,536,410
  5. Step 5: Solve for x
    x = 3,253,026,849,536,410/65,666,664.90
  6. Step 6: Final answer
    x = 49,538,481.27

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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.