Home / 102,099,576.32-140,897,856.48-55,690,827.20

Finding the Fourth Proportional to 102,099,576.32, 140,897,856.48 and 55,690,827.20

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Solution

The fourth proportional to 102,099,576.32, 140,897,856.48 and 55,690,827.20 is: 76,853,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,099,576.32 : 140,897,856.48 = 55,690,827.20 : x
  2. Step 2: Convert to fraction form
    102,099,576.32/140,897,856.48 = 55,690,827.20/x
  3. Step 3: Cross multiply
    102,099,576.32x = 140,897,856.48 × 55,690,827.20
  4. Step 4: Simplify right side
    102,099,576.32x = 7,846,718,178,078,080
  5. Step 5: Solve for x
    x = 7,846,718,178,078,080/102,099,576.32
  6. Step 6: Final answer
    x = 76,853,582.17

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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.