Home / 159,620,487.18-220,257,554.31-90,001,719.42

Finding the Fourth Proportional to 159,620,487.18, 220,257,554.31 and 90,001,719.42

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Solution

The fourth proportional to 159,620,487.18, 220,257,554.31 and 90,001,719.42 is: 124,191,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,620,487.18 : 220,257,554.31 = 90,001,719.42 : x
  2. Step 2: Convert to fraction form
    159,620,487.18/220,257,554.31 = 90,001,719.42/x
  3. Step 3: Cross multiply
    159,620,487.18x = 220,257,554.31 × 90,001,719.42
  4. Step 4: Simplify right side
    159,620,487.18x = 19,823,558,603,144,032
  5. Step 5: Solve for x
    x = 19,823,558,603,144,032/159,620,487.18
  6. Step 6: Final answer
    x = 124,191,818.69

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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.