Home / 65,440,412.80-98,165,284.80-20,002,134.40

Finding the Fourth Proportional to 65,440,412.80, 98,165,284.80 and 20,002,134.40

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Solution

The fourth proportional to 65,440,412.80, 98,165,284.80 and 20,002,134.40 is: 30,004,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440,412.80 : 98,165,284.80 = 20,002,134.40 : x
  2. Step 2: Convert to fraction form
    65,440,412.80/98,165,284.80 = 20,002,134.40/x
  3. Step 3: Cross multiply
    65,440,412.80x = 98,165,284.80 × 20,002,134.40
  4. Step 4: Simplify right side
    65,440,412.80x = 1,963,515,219,983,877
  5. Step 5: Solve for x
    x = 1,963,515,219,983,877/65,440,412.80
  6. Step 6: Final answer
    x = 30,004,627.66

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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.