Home / 146,016,015.60-219,024,023.40-122,128,143.60

Finding the Fourth Proportional to 146,016,015.60, 219,024,023.40 and 122,128,143.60

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Solution

The fourth proportional to 146,016,015.60, 219,024,023.40 and 122,128,143.60 is: 183,192,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,016,015.60 : 219,024,023.40 = 122,128,143.60 : x
  2. Step 2: Convert to fraction form
    146,016,015.60/219,024,023.40 = 122,128,143.60/x
  3. Step 3: Cross multiply
    146,016,015.60x = 219,024,023.40 × 122,128,143.60
  4. Step 4: Simplify right side
    146,016,015.60x = 26,748,997,381,644,960
  5. Step 5: Solve for x
    x = 26,748,997,381,644,960/146,016,015.60
  6. Step 6: Final answer
    x = 183,192,215.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.