Home / 83,430,246.40-125,145,369.60-47,598,438.40

Finding the Fourth Proportional to 83,430,246.40, 125,145,369.60 and 47,598,438.40

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Solution

The fourth proportional to 83,430,246.40, 125,145,369.60 and 47,598,438.40 is: 71,397,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,430,246.40 : 125,145,369.60 = 47,598,438.40 : x
  2. Step 2: Convert to fraction form
    83,430,246.40/125,145,369.60 = 47,598,438.40/x
  3. Step 3: Cross multiply
    83,430,246.40x = 125,145,369.60 × 47,598,438.40
  4. Step 4: Simplify right side
    83,430,246.40x = 5,956,724,165,950,832
  5. Step 5: Solve for x
    x = 5,956,724,165,950,832/83,430,246.40
  6. Step 6: Final answer
    x = 71,397,657.60

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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.