Home / 80,424,004.10-120,636,006.15-57,749,188.10

Finding the Fourth Proportional to 80,424,004.10, 120,636,006.15 and 57,749,188.10

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Solution

The fourth proportional to 80,424,004.10, 120,636,006.15 and 57,749,188.10 is: 86,623,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,424,004.10 : 120,636,006.15 = 57,749,188.10 : x
  2. Step 2: Convert to fraction form
    80,424,004.10/120,636,006.15 = 57,749,188.10/x
  3. Step 3: Cross multiply
    80,424,004.10x = 120,636,006.15 × 57,749,188.10
  4. Step 4: Simplify right side
    80,424,004.10x = 6,966,631,410,789,107
  5. Step 5: Solve for x
    x = 6,966,631,410,789,107/80,424,004.10
  6. Step 6: Final answer
    x = 86,623,782.15

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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.