Home / 74,325,165.40-111,487,748.10-48,497,132.80

Finding the Fourth Proportional to 74,325,165.40, 111,487,748.10 and 48,497,132.80

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Solution

The fourth proportional to 74,325,165.40, 111,487,748.10 and 48,497,132.80 is: 72,745,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325,165.40 : 111,487,748.10 = 48,497,132.80 : x
  2. Step 2: Convert to fraction form
    74,325,165.40/111,487,748.10 = 48,497,132.80/x
  3. Step 3: Cross multiply
    74,325,165.40x = 111,487,748.10 × 48,497,132.80
  4. Step 4: Simplify right side
    74,325,165.40x = 5,406,836,125,178,647
  5. Step 5: Solve for x
    x = 5,406,836,125,178,647/74,325,165.40
  6. Step 6: Final answer
    x = 72,745,699.20

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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.