Home / 264,576,018.40-396,838,350.80-80,345,080.80

Finding the Fourth Proportional to 264,576,018.40, 396,838,350.80 and 80,345,080.80

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Solution

The fourth proportional to 264,576,018.40, 396,838,350.80 and 80,345,080.80 is: 120,509,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,576,018.40 : 396,838,350.80 = 80,345,080.80 : x
  2. Step 2: Convert to fraction form
    264,576,018.40/396,838,350.80 = 80,345,080.80/x
  3. Step 3: Cross multiply
    264,576,018.40x = 396,838,350.80 × 80,345,080.80
  4. Step 4: Simplify right side
    264,576,018.40x = 31,884,009,359,564,744
  5. Step 5: Solve for x
    x = 31,884,009,359,564,744/264,576,018.40
  6. Step 6: Final answer
    x = 120,509,823.80

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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.