Home / 159,710,613.60-220,401,311.04-86,371,755.60

Finding the Fourth Proportional to 159,710,613.60, 220,401,311.04 and 86,371,755.60

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Solution

The fourth proportional to 159,710,613.60, 220,401,311.04 and 86,371,755.60 is: 119,193,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,613.60 : 220,401,311.04 = 86,371,755.60 : x
  2. Step 2: Convert to fraction form
    159,710,613.60/220,401,311.04 = 86,371,755.60/x
  3. Step 3: Cross multiply
    159,710,613.60x = 220,401,311.04 × 86,371,755.60
  4. Step 4: Simplify right side
    159,710,613.60x = 19,036,448,171,066,460
  5. Step 5: Solve for x
    x = 19,036,448,171,066,460/159,710,613.60
  6. Step 6: Final answer
    x = 119,193,381.97

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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.