Home / 45,930,738.60-68,896,107.90-20,421,570.60

Finding the Fourth Proportional to 45,930,738.60, 68,896,107.90 and 20,421,570.60

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Solution

The fourth proportional to 45,930,738.60, 68,896,107.90 and 20,421,570.60 is: 30,632,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930,738.60 : 68,896,107.90 = 20,421,570.60 : x
  2. Step 2: Convert to fraction form
    45,930,738.60/68,896,107.90 = 20,421,570.60/x
  3. Step 3: Cross multiply
    45,930,738.60x = 68,896,107.90 × 20,421,570.60
  4. Step 4: Simplify right side
    45,930,738.60x = 1,406,966,731,545,068
  5. Step 5: Solve for x
    x = 1,406,966,731,545,068/45,930,738.60
  6. Step 6: Final answer
    x = 30,632,355.90

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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.