Home / 51,893,378.50-71,600,981.58-30,981,341.20

Finding the Fourth Proportional to 51,893,378.50, 71,600,981.58 and 30,981,341.20

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Solution

The fourth proportional to 51,893,378.50, 71,600,981.58 and 30,981,341.20 is: 42,747,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,893,378.50 : 71,600,981.58 = 30,981,341.20 : x
  2. Step 2: Convert to fraction form
    51,893,378.50/71,600,981.58 = 30,981,341.20/x
  3. Step 3: Cross multiply
    51,893,378.50x = 71,600,981.58 × 30,981,341.20
  4. Step 4: Simplify right side
    51,893,378.50x = 2,218,294,440,584,895
  5. Step 5: Solve for x
    x = 2,218,294,440,584,895/51,893,378.50
  6. Step 6: Final answer
    x = 42,747,157.82

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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.