Home / 189,419,005.60-284,128,508.40-68,254,410.40

Finding the Fourth Proportional to 189,419,005.60, 284,128,508.40 and 68,254,410.40

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Solution

The fourth proportional to 189,419,005.60, 284,128,508.40 and 68,254,410.40 is: 102,381,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,419,005.60 : 284,128,508.40 = 68,254,410.40 : x
  2. Step 2: Convert to fraction form
    189,419,005.60/284,128,508.40 = 68,254,410.40/x
  3. Step 3: Cross multiply
    189,419,005.60x = 284,128,508.40 × 68,254,410.40
  4. Step 4: Simplify right side
    189,419,005.60x = 19,393,023,818,673,448
  5. Step 5: Solve for x
    x = 19,393,023,818,673,448/189,419,005.60
  6. Step 6: Final answer
    x = 102,381,615.60

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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.