Home / 276,249,487.31-414,439,548.81-89,503,128.30

Finding the Fourth Proportional to 276,249,487.31, 414,439,548.81 and 89,503,128.30

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Solution

The fourth proportional to 276,249,487.31, 414,439,548.81 and 89,503,128.30 is: 134,275,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,249,487.31 : 414,439,548.81 = 89,503,128.30 : x
  2. Step 2: Convert to fraction form
    276,249,487.31/414,439,548.81 = 89,503,128.30/x
  3. Step 3: Cross multiply
    276,249,487.31x = 414,439,548.81 × 89,503,128.30
  4. Step 4: Simplify right side
    276,249,487.31x = 37,093,636,109,735,544
  5. Step 5: Solve for x
    x = 37,093,636,109,735,544/276,249,487.31
  6. Step 6: Final answer
    x = 134,275,855.03

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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.