Home / 74,308,919.13-111,419,227.35-28,254,155.94

Finding the Fourth Proportional to 74,308,919.13, 111,419,227.35 and 28,254,155.94

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Solution

The fourth proportional to 74,308,919.13, 111,419,227.35 and 28,254,155.94 is: 42,364,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308,919.13 : 111,419,227.35 = 28,254,155.94 : x
  2. Step 2: Convert to fraction form
    74,308,919.13/111,419,227.35 = 28,254,155.94/x
  3. Step 3: Cross multiply
    74,308,919.13x = 111,419,227.35 × 28,254,155.94
  4. Step 4: Simplify right side
    74,308,919.13x = 3,148,056,224,261,213
  5. Step 5: Solve for x
    x = 3,148,056,224,261,213/74,308,919.13
  6. Step 6: Final answer
    x = 42,364,446.44

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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.