Home / 76,962,123.60-115,282,222.20-36,056,475.60

Finding the Fourth Proportional to 76,962,123.60, 115,282,222.20 and 36,056,475.60

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Solution

The fourth proportional to 76,962,123.60, 115,282,222.20 and 36,056,475.60 is: 54,009,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962,123.60 : 115,282,222.20 = 36,056,475.60 : x
  2. Step 2: Convert to fraction form
    76,962,123.60/115,282,222.20 = 36,056,475.60/x
  3. Step 3: Cross multiply
    76,962,123.60x = 115,282,222.20 × 36,056,475.60
  4. Step 4: Simplify right side
    76,962,123.60x = 4,156,670,631,868,078.50
  5. Step 5: Solve for x
    x = 4,156,670,631,868,078.50/76,962,123.60
  6. Step 6: Final answer
    x = 54,009,302.72

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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.