Home / 43,459,570.80-65,189,356.20-42,821,841.60

Finding the Fourth Proportional to 43,459,570.80, 65,189,356.20 and 42,821,841.60

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Solution

The fourth proportional to 43,459,570.80, 65,189,356.20 and 42,821,841.60 is: 64,232,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,570.80 : 65,189,356.20 = 42,821,841.60 : x
  2. Step 2: Convert to fraction form
    43,459,570.80/65,189,356.20 = 42,821,841.60/x
  3. Step 3: Cross multiply
    43,459,570.80x = 65,189,356.20 × 42,821,841.60
  4. Step 4: Simplify right side
    43,459,570.80x = 2,791,528,285,202,378
  5. Step 5: Solve for x
    x = 2,791,528,285,202,378/43,459,570.80
  6. Step 6: Final answer
    x = 64,232,762.40

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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.