Home / 74,458,936.20-111,688,404.30-54,303,544.20

Finding the Fourth Proportional to 74,458,936.20, 111,688,404.30 and 54,303,544.20

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Solution

The fourth proportional to 74,458,936.20, 111,688,404.30 and 54,303,544.20 is: 81,455,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,458,936.20 : 111,688,404.30 = 54,303,544.20 : x
  2. Step 2: Convert to fraction form
    74,458,936.20/111,688,404.30 = 54,303,544.20/x
  3. Step 3: Cross multiply
    74,458,936.20x = 111,688,404.30 × 54,303,544.20
  4. Step 4: Simplify right side
    74,458,936.20x = 6,065,076,199,532,520
  5. Step 5: Solve for x
    x = 6,065,076,199,532,520/74,458,936.20
  6. Step 6: Final answer
    x = 81,455,316.30

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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.