Home / 139,162,024.84-208,650,898.86-66,390,037.24

Finding the Fourth Proportional to 139,162,024.84, 208,650,898.86 and 66,390,037.24

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Solution

The fourth proportional to 139,162,024.84, 208,650,898.86 and 66,390,037.24 is: 99,541,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,162,024.84 : 208,650,898.86 = 66,390,037.24 : x
  2. Step 2: Convert to fraction form
    139,162,024.84/208,650,898.86 = 66,390,037.24/x
  3. Step 3: Cross multiply
    139,162,024.84x = 208,650,898.86 × 66,390,037.24
  4. Step 4: Simplify right side
    139,162,024.84x = 13,852,340,945,474,874
  5. Step 5: Solve for x
    x = 13,852,340,945,474,874/139,162,024.84
  6. Step 6: Final answer
    x = 99,541,099.39

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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.