Home / 118,197,885.20-177,296,827.80-31,949,603.60

Finding the Fourth Proportional to 118,197,885.20, 177,296,827.80 and 31,949,603.60

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Solution

The fourth proportional to 118,197,885.20, 177,296,827.80 and 31,949,603.60 is: 47,924,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,197,885.20 : 177,296,827.80 = 31,949,603.60 : x
  2. Step 2: Convert to fraction form
    118,197,885.20/177,296,827.80 = 31,949,603.60/x
  3. Step 3: Cross multiply
    118,197,885.20x = 177,296,827.80 × 31,949,603.60
  4. Step 4: Simplify right side
    118,197,885.20x = 5,664,563,367,747,461
  5. Step 5: Solve for x
    x = 5,664,563,367,747,461/118,197,885.20
  6. Step 6: Final answer
    x = 47,924,405.40

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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.