Home / 172,603,088.79-258,902,861.37-99,773,528.41

Finding the Fourth Proportional to 172,603,088.79, 258,902,861.37 and 99,773,528.41

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Solution

The fourth proportional to 172,603,088.79, 258,902,861.37 and 99,773,528.41 is: 149,659,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,603,088.79 : 258,902,861.37 = 99,773,528.41 : x
  2. Step 2: Convert to fraction form
    172,603,088.79/258,902,861.37 = 99,773,528.41/x
  3. Step 3: Cross multiply
    172,603,088.79x = 258,902,861.37 × 99,773,528.41
  4. Step 4: Simplify right side
    172,603,088.79x = 25,831,651,994,329,988
  5. Step 5: Solve for x
    x = 25,831,651,994,329,988/172,603,088.79
  6. Step 6: Final answer
    x = 149,659,268.41

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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.