Home / 43,854,515.40-65,781,773.10-30,249,625.80

Finding the Fourth Proportional to 43,854,515.40, 65,781,773.10 and 30,249,625.80

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Solution

The fourth proportional to 43,854,515.40, 65,781,773.10 and 30,249,625.80 is: 45,374,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,854,515.40 : 65,781,773.10 = 30,249,625.80 : x
  2. Step 2: Convert to fraction form
    43,854,515.40/65,781,773.10 = 30,249,625.80/x
  3. Step 3: Cross multiply
    43,854,515.40x = 65,781,773.10 × 30,249,625.80
  4. Step 4: Simplify right side
    43,854,515.40x = 1,989,874,020,735,506
  5. Step 5: Solve for x
    x = 1,989,874,020,735,506/43,854,515.40
  6. Step 6: Final answer
    x = 45,374,438.70

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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.