Home / 216,021,317.28-298,110,170.55-116,902,039.83

Finding the Fourth Proportional to 216,021,317.28, 298,110,170.55 and 116,902,039.83

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Solution

The fourth proportional to 216,021,317.28, 298,110,170.55 and 116,902,039.83 is: 161,325,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021,317.28 : 298,110,170.55 = 116,902,039.83 : x
  2. Step 2: Convert to fraction form
    216,021,317.28/298,110,170.55 = 116,902,039.83/x
  3. Step 3: Cross multiply
    216,021,317.28x = 298,110,170.55 × 116,902,039.83
  4. Step 4: Simplify right side
    216,021,317.28x = 34,849,687,031,364,192
  5. Step 5: Solve for x
    x = 34,849,687,031,364,192/216,021,317.28
  6. Step 6: Final answer
    x = 161,325,222.30

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1.5x scale

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.