Home / 43,843,875.40-65,765,813.10-42,080,278.60

Finding the Fourth Proportional to 43,843,875.40, 65,765,813.10 and 42,080,278.60

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Solution

The fourth proportional to 43,843,875.40, 65,765,813.10 and 42,080,278.60 is: 63,120,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843,875.40 : 65,765,813.10 = 42,080,278.60 : x
  2. Step 2: Convert to fraction form
    43,843,875.40/65,765,813.10 = 42,080,278.60/x
  3. Step 3: Cross multiply
    43,843,875.40x = 65,765,813.10 × 42,080,278.60
  4. Step 4: Simplify right side
    43,843,875.40x = 2,767,443,737,603,530
  5. Step 5: Solve for x
    x = 2,767,443,737,603,530/43,843,875.40
  6. Step 6: Final answer
    x = 63,120,417.90

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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.