Home / 210,125,012.94-315,310,341.72-151,775,153.10

Finding the Fourth Proportional to 210,125,012.94, 315,310,341.72 and 151,775,153.10

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Solution

The fourth proportional to 210,125,012.94, 315,310,341.72 and 151,775,153.10 is: 227,751,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,012.94 : 315,310,341.72 = 151,775,153.10 : x
  2. Step 2: Convert to fraction form
    210,125,012.94/315,310,341.72 = 151,775,153.10/x
  3. Step 3: Cross multiply
    210,125,012.94x = 315,310,341.72 × 151,775,153.10
  4. Step 4: Simplify right side
    210,125,012.94x = 47,856,275,388,566,320
  5. Step 5: Solve for x
    x = 47,856,275,388,566,320/210,125,012.94
  6. Step 6: Final answer
    x = 227,751,445.29

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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.