Home / 43,942,430.80-65,913,646.20-13,650,053.20

Finding the Fourth Proportional to 43,942,430.80, 65,913,646.20 and 13,650,053.20

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Solution

The fourth proportional to 43,942,430.80, 65,913,646.20 and 13,650,053.20 is: 20,475,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942,430.80 : 65,913,646.20 = 13,650,053.20 : x
  2. Step 2: Convert to fraction form
    43,942,430.80/65,913,646.20 = 13,650,053.20/x
  3. Step 3: Cross multiply
    43,942,430.80x = 65,913,646.20 × 13,650,053.20
  4. Step 4: Simplify right side
    43,942,430.80x = 899,724,777,235,977.88
  5. Step 5: Solve for x
    x = 899,724,777,235,977.88/43,942,430.80
  6. Step 6: Final answer
    x = 20,475,079.80

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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.