Home / 112,987,355.20-169,481,032.80-36,318,133.60

Finding the Fourth Proportional to 112,987,355.20, 169,481,032.80 and 36,318,133.60

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Solution

The fourth proportional to 112,987,355.20, 169,481,032.80 and 36,318,133.60 is: 54,477,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,987,355.20 : 169,481,032.80 = 36,318,133.60 : x
  2. Step 2: Convert to fraction form
    112,987,355.20/169,481,032.80 = 36,318,133.60/x
  3. Step 3: Cross multiply
    112,987,355.20x = 169,481,032.80 × 36,318,133.60
  4. Step 4: Simplify right side
    112,987,355.20x = 6,155,234,791,896,383
  5. Step 5: Solve for x
    x = 6,155,234,791,896,383/112,987,355.20
  6. Step 6: Final answer
    x = 54,477,200.40

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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.