Home / 43,754,752.80-65,632,129.20-30,989,671.20

Finding the Fourth Proportional to 43,754,752.80, 65,632,129.20 and 30,989,671.20

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Solution

The fourth proportional to 43,754,752.80, 65,632,129.20 and 30,989,671.20 is: 46,484,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,754,752.80 : 65,632,129.20 = 30,989,671.20 : x
  2. Step 2: Convert to fraction form
    43,754,752.80/65,632,129.20 = 30,989,671.20/x
  3. Step 3: Cross multiply
    43,754,752.80x = 65,632,129.20 × 30,989,671.20
  4. Step 4: Simplify right side
    43,754,752.80x = 2,033,918,104,063,919
  5. Step 5: Solve for x
    x = 2,033,918,104,063,919/43,754,752.80
  6. Step 6: Final answer
    x = 46,484,506.80

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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.