Home / 51,285,068.20-76,862,283.90-20,958,668.20

Finding the Fourth Proportional to 51,285,068.20, 76,862,283.90 and 20,958,668.20

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Solution

The fourth proportional to 51,285,068.20, 76,862,283.90 and 20,958,668.20 is: 31,411,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285,068.20 : 76,862,283.90 = 20,958,668.20 : x
  2. Step 2: Convert to fraction form
    51,285,068.20/76,862,283.90 = 20,958,668.20/x
  3. Step 3: Cross multiply
    51,285,068.20x = 76,862,283.90 × 20,958,668.20
  4. Step 4: Simplify right side
    51,285,068.20x = 1,610,931,105,354,302
  5. Step 5: Solve for x
    x = 1,610,931,105,354,302/51,285,068.20
  6. Step 6: Final answer
    x = 31,411,308.63

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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.