Home / 72,882,483.10-100,042,455.18-64,437,553.46

Finding the Fourth Proportional to 72,882,483.10, 100,042,455.18 and 64,437,553.46

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Solution

The fourth proportional to 72,882,483.10, 100,042,455.18 and 64,437,553.46 is: 88,450,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,882,483.10 : 100,042,455.18 = 64,437,553.46 : x
  2. Step 2: Convert to fraction form
    72,882,483.10/100,042,455.18 = 64,437,553.46/x
  3. Step 3: Cross multiply
    72,882,483.10x = 100,042,455.18 × 64,437,553.46
  4. Step 4: Simplify right side
    72,882,483.10x = 6,446,491,053,430,692
  5. Step 5: Solve for x
    x = 6,446,491,053,430,692/72,882,483.10
  6. Step 6: Final answer
    x = 88,450,486.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.