Home / 159,710,508.15-220,401,165.41-86,371,650.15

Finding the Fourth Proportional to 159,710,508.15, 220,401,165.41 and 86,371,650.15

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Solution

The fourth proportional to 159,710,508.15, 220,401,165.41 and 86,371,650.15 is: 119,193,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,508.15 : 220,401,165.41 = 86,371,650.15 : x
  2. Step 2: Convert to fraction form
    159,710,508.15/220,401,165.41 = 86,371,650.15/x
  3. Step 3: Cross multiply
    159,710,508.15x = 220,401,165.41 × 86,371,650.15
  4. Step 4: Simplify right side
    159,710,508.15x = 19,036,412,351,444,804
  5. Step 5: Solve for x
    x = 19,036,412,351,444,804/159,710,508.15
  6. Step 6: Final answer
    x = 119,193,236.39

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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.