Home / 146,234,173.08-218,043,887.46-142,216,479.12

Finding the Fourth Proportional to 146,234,173.08, 218,043,887.46 and 142,216,479.12

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Solution

The fourth proportional to 146,234,173.08, 218,043,887.46 and 142,216,479.12 is: 212,053,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,234,173.08 : 218,043,887.46 = 142,216,479.12 : x
  2. Step 2: Convert to fraction form
    146,234,173.08/218,043,887.46 = 142,216,479.12/x
  3. Step 3: Cross multiply
    146,234,173.08x = 218,043,887.46 × 142,216,479.12
  4. Step 4: Simplify right side
    146,234,173.08x = 31,009,433,968,198,724
  5. Step 5: Solve for x
    x = 31,009,433,968,198,724/146,234,173.08
  6. Step 6: Final answer
    x = 212,053,265.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.