Home / 70,683,445.60-105,962,960.40-47,890,434.40

Finding the Fourth Proportional to 70,683,445.60, 105,962,960.40 and 47,890,434.40

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Solution

The fourth proportional to 70,683,445.60, 105,962,960.40 and 47,890,434.40 is: 71,793,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,683,445.60 : 105,962,960.40 = 47,890,434.40 : x
  2. Step 2: Convert to fraction form
    70,683,445.60/105,962,960.40 = 47,890,434.40/x
  3. Step 3: Cross multiply
    70,683,445.60x = 105,962,960.40 × 47,890,434.40
  4. Step 4: Simplify right side
    70,683,445.60x = 5,074,612,203,865,998
  5. Step 5: Solve for x
    x = 5,074,612,203,865,998/70,683,445.60
  6. Step 6: Final answer
    x = 71,793,503.57

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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.