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Finding the Fourth Proportional to 43,740,001.80, 65,610,002.70 and 30,974,920.20

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Solution

The fourth proportional to 43,740,001.80, 65,610,002.70 and 30,974,920.20 is: 46,462,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740,001.80 : 65,610,002.70 = 30,974,920.20 : x
  2. Step 2: Convert to fraction form
    43,740,001.80/65,610,002.70 = 30,974,920.20/x
  3. Step 3: Cross multiply
    43,740,001.80x = 65,610,002.70 × 30,974,920.20
  4. Step 4: Simplify right side
    43,740,001.80x = 2,032,264,597,954,284.50
  5. Step 5: Solve for x
    x = 2,032,264,597,954,284.50/43,740,001.80
  6. Step 6: Final answer
    x = 46,462,380.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.