Home / 218,338,842-301,061,958.12-178,522,145.04

Finding the Fourth Proportional to 218,338,842, 301,061,958.12 and 178,522,145.04

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Solution

The fourth proportional to 218,338,842, 301,061,958.12 and 178,522,145.04 is: 246,159,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,338,842 : 301,061,958.12 = 178,522,145.04 : x
  2. Step 2: Convert to fraction form
    218,338,842/301,061,958.12 = 178,522,145.04/x
  3. Step 3: Cross multiply
    218,338,842x = 301,061,958.12 × 178,522,145.04
  4. Step 4: Simplify right side
    218,338,842x = 53,746,226,553,525,048
  5. Step 5: Solve for x
    x = 53,746,226,553,525,048/218,338,842
  6. Step 6: Final answer
    x = 246,159,712.40

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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.