Home / 49,891,778.70-74,877,968.79-21,158,075.22

Finding the Fourth Proportional to 49,891,778.70, 74,877,968.79 and 21,158,075.22

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Solution

The fourth proportional to 49,891,778.70, 74,877,968.79 and 21,158,075.22 is: 31,754,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,891,778.70 : 74,877,968.79 = 21,158,075.22 : x
  2. Step 2: Convert to fraction form
    49,891,778.70/74,877,968.79 = 21,158,075.22/x
  3. Step 3: Cross multiply
    49,891,778.70x = 74,877,968.79 × 21,158,075.22
  4. Step 4: Simplify right side
    49,891,778.70x = 1,584,273,695,979,632.50
  5. Step 5: Solve for x
    x = 1,584,273,695,979,632.50/49,891,778.70
  6. Step 6: Final answer
    x = 31,754,203.54

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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.