Home / 54,459,009.40-81,688,514.10-50,301,959.80

Finding the Fourth Proportional to 54,459,009.40, 81,688,514.10 and 50,301,959.80

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Solution

The fourth proportional to 54,459,009.40, 81,688,514.10 and 50,301,959.80 is: 75,452,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459,009.40 : 81,688,514.10 = 50,301,959.80 : x
  2. Step 2: Convert to fraction form
    54,459,009.40/81,688,514.10 = 50,301,959.80/x
  3. Step 3: Cross multiply
    54,459,009.40x = 81,688,514.10 × 50,301,959.80
  4. Step 4: Simplify right side
    54,459,009.40x = 4,109,092,352,379,932.50
  5. Step 5: Solve for x
    x = 4,109,092,352,379,932.50/54,459,009.40
  6. Step 6: Final answer
    x = 75,452,939.70

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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.