Home / 56,051,203.80-84,076,805.70-15,661,687.80

Finding the Fourth Proportional to 56,051,203.80, 84,076,805.70 and 15,661,687.80

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Solution

The fourth proportional to 56,051,203.80, 84,076,805.70 and 15,661,687.80 is: 23,492,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,051,203.80 : 84,076,805.70 = 15,661,687.80 : x
  2. Step 2: Convert to fraction form
    56,051,203.80/84,076,805.70 = 15,661,687.80/x
  3. Step 3: Cross multiply
    56,051,203.80x = 84,076,805.70 × 15,661,687.80
  4. Step 4: Simplify right side
    56,051,203.80x = 1,316,784,682,094,660.50
  5. Step 5: Solve for x
    x = 1,316,784,682,094,660.50/56,051,203.80
  6. Step 6: Final answer
    x = 23,492,531.70

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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.