Home / 56,036,701.80-84,076,047.90-21,982,487.40

Finding the Fourth Proportional to 56,036,701.80, 84,076,047.90 and 21,982,487.40

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Solution

The fourth proportional to 56,036,701.80, 84,076,047.90 and 21,982,487.40 is: 32,981,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,036,701.80 : 84,076,047.90 = 21,982,487.40 : x
  2. Step 2: Convert to fraction form
    56,036,701.80/84,076,047.90 = 21,982,487.40/x
  3. Step 3: Cross multiply
    56,036,701.80x = 84,076,047.90 × 21,982,487.40
  4. Step 4: Simplify right side
    56,036,701.80x = 1,848,200,663,603,546.50
  5. Step 5: Solve for x
    x = 1,848,200,663,603,546.50/56,036,701.80
  6. Step 6: Final answer
    x = 32,981,967.25

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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.