Home / 56,147,128.40-84,094,721.40-54,887,416.40

Finding the Fourth Proportional to 56,147,128.40, 84,094,721.40 and 54,887,416.40

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Solution

The fourth proportional to 56,147,128.40, 84,094,721.40 and 54,887,416.40 is: 82,207,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,147,128.40 : 84,094,721.40 = 54,887,416.40 : x
  2. Step 2: Convert to fraction form
    56,147,128.40/84,094,721.40 = 54,887,416.40/x
  3. Step 3: Cross multiply
    56,147,128.40x = 84,094,721.40 × 54,887,416.40
  4. Step 4: Simplify right side
    56,147,128.40x = 4,615,741,990,523,791
  5. Step 5: Solve for x
    x = 4,615,741,990,523,791/56,147,128.40
  6. Step 6: Final answer
    x = 82,207,979.68

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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.