Home / 138,962,576.18-208,445,638.17-36,725,730.50

Finding the Fourth Proportional to 138,962,576.18, 208,445,638.17 and 36,725,730.50

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Solution

The fourth proportional to 138,962,576.18, 208,445,638.17 and 36,725,730.50 is: 55,089,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,962,576.18 : 208,445,638.17 = 36,725,730.50 : x
  2. Step 2: Convert to fraction form
    138,962,576.18/208,445,638.17 = 36,725,730.50/x
  3. Step 3: Cross multiply
    138,962,576.18x = 208,445,638.17 × 36,725,730.50
  4. Step 4: Simplify right side
    138,962,576.18x = 7,655,318,331,331,933
  5. Step 5: Solve for x
    x = 7,655,318,331,331,933/138,962,576.18
  6. Step 6: Final answer
    x = 55,089,064.57

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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.