Home / 51,817,253.12-71,481,981.56-30,894,529.76

Finding the Fourth Proportional to 51,817,253.12, 71,481,981.56 and 30,894,529.76

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Solution

The fourth proportional to 51,817,253.12, 71,481,981.56 and 30,894,529.76 is: 42,619,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817,253.12 : 71,481,981.56 = 30,894,529.76 : x
  2. Step 2: Convert to fraction form
    51,817,253.12/71,481,981.56 = 30,894,529.76/x
  3. Step 3: Cross multiply
    51,817,253.12x = 71,481,981.56 × 30,894,529.76
  4. Step 4: Simplify right side
    51,817,253.12x = 2,208,402,206,609,191.50
  5. Step 5: Solve for x
    x = 2,208,402,206,609,191.50/51,817,253.12
  6. Step 6: Final answer
    x = 42,619,052.03

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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.