Home / 120,405,972.68-166,174,026.50-67,496,970.52

Finding the Fourth Proportional to 120,405,972.68, 166,174,026.50 and 67,496,970.52

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Solution

The fourth proportional to 120,405,972.68, 166,174,026.50 and 67,496,970.52 is: 93,153,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,405,972.68 : 166,174,026.50 = 67,496,970.52 : x
  2. Step 2: Convert to fraction form
    120,405,972.68/166,174,026.50 = 67,496,970.52/x
  3. Step 3: Cross multiply
    120,405,972.68x = 166,174,026.50 × 67,496,970.52
  4. Step 4: Simplify right side
    120,405,972.68x = 11,216,243,367,613,506
  5. Step 5: Solve for x
    x = 11,216,243,367,613,506/120,405,972.68
  6. Step 6: Final answer
    x = 93,153,546.44

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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.