Home / 43,570,421.10-65,355,631.65-28,264,920.30

Finding the Fourth Proportional to 43,570,421.10, 65,355,631.65 and 28,264,920.30

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Solution

The fourth proportional to 43,570,421.10, 65,355,631.65 and 28,264,920.30 is: 42,397,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570,421.10 : 65,355,631.65 = 28,264,920.30 : x
  2. Step 2: Convert to fraction form
    43,570,421.10/65,355,631.65 = 28,264,920.30/x
  3. Step 3: Cross multiply
    43,570,421.10x = 65,355,631.65 × 28,264,920.30
  4. Step 4: Simplify right side
    43,570,421.10x = 1,847,271,719,743,407.50
  5. Step 5: Solve for x
    x = 1,847,271,719,743,407.50/43,570,421.10
  6. Step 6: Final answer
    x = 42,397,380.45

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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.