Home / 201,548,958.80-278,136,881.02-113,442,905.44

Finding the Fourth Proportional to 201,548,958.80, 278,136,881.02 and 113,442,905.44

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Solution

The fourth proportional to 201,548,958.80, 278,136,881.02 and 113,442,905.44 is: 156,550,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,548,958.80 : 278,136,881.02 = 113,442,905.44 : x
  2. Step 2: Convert to fraction form
    201,548,958.80/278,136,881.02 = 113,442,905.44/x
  3. Step 3: Cross multiply
    201,548,958.80x = 278,136,881.02 × 113,442,905.44
  4. Step 4: Simplify right side
    201,548,958.80x = 31,552,655,892,928,388
  5. Step 5: Solve for x
    x = 31,552,655,892,928,388/201,548,958.80
  6. Step 6: Final answer
    x = 156,550,825.57

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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.