Home / 170,201,161,478.70-255,301,742,218.05-103,156,265,529.90

Finding the Fourth Proportional to 170,201,161,478.70, 255,301,742,218.05 and 103,156,265,529.90

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Solution

The fourth proportional to 170,201,161,478.70, 255,301,742,218.05 and 103,156,265,529.90 is: 154,734,398,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,201,161,478.70 : 255,301,742,218.05 = 103,156,265,529.90 : x
  2. Step 2: Convert to fraction form
    170,201,161,478.70/255,301,742,218.05 = 103,156,265,529.90/x
  3. Step 3: Cross multiply
    170,201,161,478.70x = 255,301,742,218.05 × 103,156,265,529.90
  4. Step 4: Simplify right side
    170,201,161,478.70x = 26,335,974,310,491,245,772,800
  5. Step 5: Solve for x
    x = 26,335,974,310,491,245,772,800/170,201,161,478.70
  6. Step 6: Final answer
    x = 154,734,398,294.85

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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.