Home / 147,216,771.92-203,156,509.46-80,236,333.28

Finding the Fourth Proportional to 147,216,771.92, 203,156,509.46 and 80,236,333.28

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Solution

The fourth proportional to 147,216,771.92, 203,156,509.46 and 80,236,333.28 is: 110,724,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216,771.92 : 203,156,509.46 = 80,236,333.28 : x
  2. Step 2: Convert to fraction form
    147,216,771.92/203,156,509.46 = 80,236,333.28/x
  3. Step 3: Cross multiply
    147,216,771.92x = 203,156,509.46 × 80,236,333.28
  4. Step 4: Simplify right side
    147,216,771.92x = 16,300,533,401,034,034
  5. Step 5: Solve for x
    x = 16,300,533,401,034,034/147,216,771.92
  6. Step 6: Final answer
    x = 110,724,703.36

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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.