Home / 162,512,894.32-243,783,513.28-45,929,475.68

Finding the Fourth Proportional to 162,512,894.32, 243,783,513.28 and 45,929,475.68

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Solution

The fourth proportional to 162,512,894.32, 243,783,513.28 and 45,929,475.68 is: 68,898,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,512,894.32 : 243,783,513.28 = 45,929,475.68 : x
  2. Step 2: Convert to fraction form
    162,512,894.32/243,783,513.28 = 45,929,475.68/x
  3. Step 3: Cross multiply
    162,512,894.32x = 243,783,513.28 × 45,929,475.68
  4. Step 4: Simplify right side
    162,512,894.32x = 11,196,848,944,378,718
  5. Step 5: Solve for x
    x = 11,196,848,944,378,718/162,512,894.32
  6. Step 6: Final answer
    x = 68,898,218.76

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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.