Home / 53,842,720.68-80,784,435.52-21,076,706.72

Finding the Fourth Proportional to 53,842,720.68, 80,784,435.52 and 21,076,706.72

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Solution

The fourth proportional to 53,842,720.68, 80,784,435.52 and 21,076,706.72 is: 31,623,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,842,720.68 : 80,784,435.52 = 21,076,706.72 : x
  2. Step 2: Convert to fraction form
    53,842,720.68/80,784,435.52 = 21,076,706.72/x
  3. Step 3: Cross multiply
    53,842,720.68x = 80,784,435.52 × 21,076,706.72
  4. Step 4: Simplify right side
    53,842,720.68x = 1,702,669,854,995,790.50
  5. Step 5: Solve for x
    x = 1,702,669,854,995,790.50/53,842,720.68
  6. Step 6: Final answer
    x = 31,623,027.84

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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.