Home / 198,635,687.60-297,953,531.40-55,028,519.60

Finding the Fourth Proportional to 198,635,687.60, 297,953,531.40 and 55,028,519.60

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Solution

The fourth proportional to 198,635,687.60, 297,953,531.40 and 55,028,519.60 is: 82,542,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,635,687.60 : 297,953,531.40 = 55,028,519.60 : x
  2. Step 2: Convert to fraction form
    198,635,687.60/297,953,531.40 = 55,028,519.60/x
  3. Step 3: Cross multiply
    198,635,687.60x = 297,953,531.40 × 55,028,519.60
  4. Step 4: Simplify right side
    198,635,687.60x = 16,395,941,742,534,114
  5. Step 5: Solve for x
    x = 16,395,941,742,534,114/198,635,687.60
  6. Step 6: Final answer
    x = 82,542,779.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.