Home / 159,710,505.77-220,401,162.13-86,371,647.77

Finding the Fourth Proportional to 159,710,505.77, 220,401,162.13 and 86,371,647.77

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Solution

The fourth proportional to 159,710,505.77, 220,401,162.13 and 86,371,647.77 is: 119,193,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,505.77 : 220,401,162.13 = 86,371,647.77 : x
  2. Step 2: Convert to fraction form
    159,710,505.77/220,401,162.13 = 86,371,647.77/x
  3. Step 3: Cross multiply
    159,710,505.77x = 220,401,162.13 × 86,371,647.77
  4. Step 4: Simplify right side
    159,710,505.77x = 19,036,411,543,591,020
  5. Step 5: Solve for x
    x = 19,036,411,543,591,020/159,710,505.77
  6. Step 6: Final answer
    x = 119,193,233.11

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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.