Home / 42,081,206.80-63,072,043.80-21,876,048.40

Finding the Fourth Proportional to 42,081,206.80, 63,072,043.80 and 21,876,048.40

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Solution

The fourth proportional to 42,081,206.80, 63,072,043.80 and 21,876,048.40 is: 32,788,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,081,206.80 : 63,072,043.80 = 21,876,048.40 : x
  2. Step 2: Convert to fraction form
    42,081,206.80/63,072,043.80 = 21,876,048.40/x
  3. Step 3: Cross multiply
    42,081,206.80x = 63,072,043.80 × 21,876,048.40
  4. Step 4: Simplify right side
    42,081,206.80x = 1,379,767,082,855,719.75
  5. Step 5: Solve for x
    x = 1,379,767,082,855,719.75/42,081,206.80
  6. Step 6: Final answer
    x = 32,788,201.38

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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.