Home / 212,008,221.60-292,569,585.84-119,189,142.24

Finding the Fourth Proportional to 212,008,221.60, 292,569,585.84 and 119,189,142.24

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Solution

The fourth proportional to 212,008,221.60, 292,569,585.84 and 119,189,142.24 is: 164,480,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,008,221.60 : 292,569,585.84 = 119,189,142.24 : x
  2. Step 2: Convert to fraction form
    212,008,221.60/292,569,585.84 = 119,189,142.24/x
  3. Step 3: Cross multiply
    212,008,221.60x = 292,569,585.84 × 119,189,142.24
  4. Step 4: Simplify right side
    212,008,221.60x = 34,871,117,981,781,644
  5. Step 5: Solve for x
    x = 34,871,117,981,781,644/212,008,221.60
  6. Step 6: Final answer
    x = 164,480,026.85

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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.