Home / 70,438,998.40-105,658,497.60-44,929,830.40

Finding the Fourth Proportional to 70,438,998.40, 105,658,497.60 and 44,929,830.40

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Solution

The fourth proportional to 70,438,998.40, 105,658,497.60 and 44,929,830.40 is: 67,394,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,438,998.40 : 105,658,497.60 = 44,929,830.40 : x
  2. Step 2: Convert to fraction form
    70,438,998.40/105,658,497.60 = 44,929,830.40/x
  3. Step 3: Cross multiply
    70,438,998.40x = 105,658,497.60 × 44,929,830.40
  4. Step 4: Simplify right side
    70,438,998.40x = 4,747,218,377,486,807
  5. Step 5: Solve for x
    x = 4,747,218,377,486,807/70,438,998.40
  6. Step 6: Final answer
    x = 67,394,745.60

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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.