Home / 80,094,007.20-120,141,010.80-46,081,783.20

Finding the Fourth Proportional to 80,094,007.20, 120,141,010.80 and 46,081,783.20

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Solution

The fourth proportional to 80,094,007.20, 120,141,010.80 and 46,081,783.20 is: 69,122,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,094,007.20 : 120,141,010.80 = 46,081,783.20 : x
  2. Step 2: Convert to fraction form
    80,094,007.20/120,141,010.80 = 46,081,783.20/x
  3. Step 3: Cross multiply
    80,094,007.20x = 120,141,010.80 × 46,081,783.20
  4. Step 4: Simplify right side
    80,094,007.20x = 5,536,312,013,114,459
  5. Step 5: Solve for x
    x = 5,536,312,013,114,459/80,094,007.20
  6. Step 6: Final answer
    x = 69,122,674.80

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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.