Home / 150,072,485.23-207,106,502.20-83,091,442.78

Finding the Fourth Proportional to 150,072,485.23, 207,106,502.20 and 83,091,442.78

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Solution

The fourth proportional to 150,072,485.23, 207,106,502.20 and 83,091,442.78 is: 114,669,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,072,485.23 : 207,106,502.20 = 83,091,442.78 : x
  2. Step 2: Convert to fraction form
    150,072,485.23/207,106,502.20 = 83,091,442.78/x
  3. Step 3: Cross multiply
    150,072,485.23x = 207,106,502.20 × 83,091,442.78
  4. Step 4: Simplify right side
    150,072,485.23x = 17,208,778,076,968,398
  5. Step 5: Solve for x
    x = 17,208,778,076,968,398/150,072,485.23
  6. Step 6: Final answer
    x = 114,669,774.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.