Home / 76,793,439.96-105,972,912.36-45,433,106.55

Finding the Fourth Proportional to 76,793,439.96, 105,972,912.36 and 45,433,106.55

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Solution

The fourth proportional to 76,793,439.96, 105,972,912.36 and 45,433,106.55 is: 62,696,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,793,439.96 : 105,972,912.36 = 45,433,106.55 : x
  2. Step 2: Convert to fraction form
    76,793,439.96/105,972,912.36 = 45,433,106.55/x
  3. Step 3: Cross multiply
    76,793,439.96x = 105,972,912.36 × 45,433,106.55
  4. Step 4: Simplify right side
    76,793,439.96x = 4,814,678,618,665,692
  5. Step 5: Solve for x
    x = 4,814,678,618,665,692/76,793,439.96
  6. Step 6: Final answer
    x = 62,696,483.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.