Home / 103,862,115.60-155,793,173.40-43,269,968.40

Finding the Fourth Proportional to 103,862,115.60, 155,793,173.40 and 43,269,968.40

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Solution

The fourth proportional to 103,862,115.60, 155,793,173.40 and 43,269,968.40 is: 64,904,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,862,115.60 : 155,793,173.40 = 43,269,968.40 : x
  2. Step 2: Convert to fraction form
    103,862,115.60/155,793,173.40 = 43,269,968.40/x
  3. Step 3: Cross multiply
    103,862,115.60x = 155,793,173.40 × 43,269,968.40
  4. Step 4: Simplify right side
    103,862,115.60x = 6,741,165,689,953,721
  5. Step 5: Solve for x
    x = 6,741,165,689,953,721/103,862,115.60
  6. Step 6: Final answer
    x = 64,904,952.60

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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.