Home / 148,621,741.42-205,086,002.73-85,901,902.39

Finding the Fourth Proportional to 148,621,741.42, 205,086,002.73 and 85,901,902.39

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Solution

The fourth proportional to 148,621,741.42, 205,086,002.73 and 85,901,902.39 is: 118,537,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,621,741.42 : 205,086,002.73 = 85,901,902.39 : x
  2. Step 2: Convert to fraction form
    148,621,741.42/205,086,002.73 = 85,901,902.39/x
  3. Step 3: Cross multiply
    148,621,741.42x = 205,086,002.73 × 85,901,902.39
  4. Step 4: Simplify right side
    148,621,741.42x = 17,617,277,788,067,732
  5. Step 5: Solve for x
    x = 17,617,277,788,067,732/148,621,741.42
  6. Step 6: Final answer
    x = 118,537,689.17

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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.