Home / 159,710,948.32-220,401,771.60-86,372,091.04

Finding the Fourth Proportional to 159,710,948.32, 220,401,771.60 and 86,372,091.04

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Solution

The fourth proportional to 159,710,948.32, 220,401,771.60 and 86,372,091.04 is: 119,193,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,948.32 : 220,401,771.60 = 86,372,091.04 : x
  2. Step 2: Convert to fraction form
    159,710,948.32/220,401,771.60 = 86,372,091.04/x
  3. Step 3: Cross multiply
    159,710,948.32x = 220,401,771.60 × 86,372,091.04
  4. Step 4: Simplify right side
    159,710,948.32x = 19,036,561,882,012,488
  5. Step 5: Solve for x
    x = 19,036,561,882,012,488/159,710,948.32
  6. Step 6: Final answer
    x = 119,193,844.14

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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.