Home / 45,507,421.40-68,261,132.10-30,201,920.60

Finding the Fourth Proportional to 45,507,421.40, 68,261,132.10 and 30,201,920.60

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Solution

The fourth proportional to 45,507,421.40, 68,261,132.10 and 30,201,920.60 is: 45,302,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507,421.40 : 68,261,132.10 = 30,201,920.60 : x
  2. Step 2: Convert to fraction form
    45,507,421.40/68,261,132.10 = 30,201,920.60/x
  3. Step 3: Cross multiply
    45,507,421.40x = 68,261,132.10 × 30,201,920.60
  4. Step 4: Simplify right side
    45,507,421.40x = 2,061,617,291,750,311.25
  5. Step 5: Solve for x
    x = 2,061,617,291,750,311.25/45,507,421.40
  6. Step 6: Final answer
    x = 45,302,880.90

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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.