Home / 43,333,961.70-65,017,531.35-42,653,820.90

Finding the Fourth Proportional to 43,333,961.70, 65,017,531.35 and 42,653,820.90

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Solution

The fourth proportional to 43,333,961.70, 65,017,531.35 and 42,653,820.90 is: 63,997,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333,961.70 : 65,017,531.35 = 42,653,820.90 : x
  2. Step 2: Convert to fraction form
    43,333,961.70/65,017,531.35 = 42,653,820.90/x
  3. Step 3: Cross multiply
    43,333,961.70x = 65,017,531.35 × 42,653,820.90
  4. Step 4: Simplify right side
    43,333,961.70x = 2,773,246,137,563,035
  5. Step 5: Solve for x
    x = 2,773,246,137,563,035/43,333,961.70
  6. Step 6: Final answer
    x = 63,997,059.78

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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.