Home / 112,971,129.80-169,485,563.10-36,294,909.80

Finding the Fourth Proportional to 112,971,129.80, 169,485,563.10 and 36,294,909.80

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Solution

The fourth proportional to 112,971,129.80, 169,485,563.10 and 36,294,909.80 is: 54,451,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,971,129.80 : 169,485,563.10 = 36,294,909.80 : x
  2. Step 2: Convert to fraction form
    112,971,129.80/169,485,563.10 = 36,294,909.80/x
  3. Step 3: Cross multiply
    112,971,129.80x = 169,485,563.10 × 36,294,909.80
  4. Step 4: Simplify right side
    112,971,129.80x = 6,151,463,225,116,708
  5. Step 5: Solve for x
    x = 6,151,463,225,116,708/112,971,129.80
  6. Step 6: Final answer
    x = 54,451,639.42

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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.