Home / 51,438,628.95-70,982,718.00-30,531,573.94

Finding the Fourth Proportional to 51,438,628.95, 70,982,718.00 and 30,531,573.94

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Solution

The fourth proportional to 51,438,628.95, 70,982,718.00 and 30,531,573.94 is: 42,132,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438,628.95 : 70,982,718.00 = 30,531,573.94 : x
  2. Step 2: Convert to fraction form
    51,438,628.95/70,982,718.00 = 30,531,573.94/x
  3. Step 3: Cross multiply
    51,438,628.95x = 70,982,718.00 × 30,531,573.94
  4. Step 4: Simplify right side
    51,438,628.95x = 2,167,214,102,892,448
  5. Step 5: Solve for x
    x = 2,167,214,102,892,448/51,438,628.95
  6. Step 6: Final answer
    x = 42,132,034.76

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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.