Home / 320,643,755.16-481,038,156.48-173,088,147.90

Finding the Fourth Proportional to 320,643,755.16, 481,038,156.48 and 173,088,147.90

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Solution

The fourth proportional to 320,643,755.16, 481,038,156.48 and 173,088,147.90 is: 259,671,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,643,755.16 : 481,038,156.48 = 173,088,147.90 : x
  2. Step 2: Convert to fraction form
    320,643,755.16/481,038,156.48 = 173,088,147.90/x
  3. Step 3: Cross multiply
    320,643,755.16x = 481,038,156.48 × 173,088,147.90
  4. Step 4: Simplify right side
    320,643,755.16x = 83,262,003,574,353,584
  5. Step 5: Solve for x
    x = 83,262,003,574,353,584/320,643,755.16
  6. Step 6: Final answer
    x = 259,671,371.22

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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.