Home / 56,011,343.49-83,969,093.49-21,492,516.87

Finding the Fourth Proportional to 56,011,343.49, 83,969,093.49 and 21,492,516.87

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Solution

The fourth proportional to 56,011,343.49, 83,969,093.49 and 21,492,516.87 is: 32,220,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011,343.49 : 83,969,093.49 = 21,492,516.87 : x
  2. Step 2: Convert to fraction form
    56,011,343.49/83,969,093.49 = 21,492,516.87/x
  3. Step 3: Cross multiply
    56,011,343.49x = 83,969,093.49 × 21,492,516.87
  4. Step 4: Simplify right side
    56,011,343.49x = 1,804,707,158,392,432.25
  5. Step 5: Solve for x
    x = 1,804,707,158,392,432.25/56,011,343.49
  6. Step 6: Final answer
    x = 32,220,386.91

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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.