Home / 120,329,582.10-166,053,931.65-65,324,024.34

Finding the Fourth Proportional to 120,329,582.10, 166,053,931.65 and 65,324,024.34

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Solution

The fourth proportional to 120,329,582.10, 166,053,931.65 and 65,324,024.34 is: 90,146,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,329,582.10 : 166,053,931.65 = 65,324,024.34 : x
  2. Step 2: Convert to fraction form
    120,329,582.10/166,053,931.65 = 65,324,024.34/x
  3. Step 3: Cross multiply
    120,329,582.10x = 166,053,931.65 × 65,324,024.34
  4. Step 4: Simplify right side
    120,329,582.10x = 10,847,311,072,857,298
  5. Step 5: Solve for x
    x = 10,847,311,072,857,298/120,329,582.10
  6. Step 6: Final answer
    x = 90,146,669.54

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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.