Home / 375,279,731.51-563,173,912.76-153,991,077.41

Finding the Fourth Proportional to 375,279,731.51, 563,173,912.76 and 153,991,077.41

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Solution

The fourth proportional to 375,279,731.51, 563,173,912.76 and 153,991,077.41 is: 231,090,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,279,731.51 : 563,173,912.76 = 153,991,077.41 : x
  2. Step 2: Convert to fraction form
    375,279,731.51/563,173,912.76 = 153,991,077.41/x
  3. Step 3: Cross multiply
    375,279,731.51x = 563,173,912.76 × 153,991,077.41
  4. Step 4: Simplify right side
    375,279,731.51x = 86,723,757,595,755,728
  5. Step 5: Solve for x
    x = 86,723,757,595,755,728/375,279,731.51
  6. Step 6: Final answer
    x = 231,090,971.12

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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.