Home / 186,440,000.25-257,242,207.22-120,346,343.83

Finding the Fourth Proportional to 186,440,000.25, 257,242,207.22 and 120,346,343.83

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Solution

The fourth proportional to 186,440,000.25, 257,242,207.22 and 120,346,343.83 is: 166,048,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,440,000.25 : 257,242,207.22 = 120,346,343.83 : x
  2. Step 2: Convert to fraction form
    186,440,000.25/257,242,207.22 = 120,346,343.83/x
  3. Step 3: Cross multiply
    186,440,000.25x = 257,242,207.22 × 120,346,343.83
  4. Step 4: Simplify right side
    186,440,000.25x = 30,958,159,117,857,348
  5. Step 5: Solve for x
    x = 30,958,159,117,857,348/186,440,000.25
  6. Step 6: Final answer
    x = 166,048,911.59

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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.