Home / 255,859,301.86-382,779,151.74-193,789,419.61

Finding the Fourth Proportional to 255,859,301.86, 382,779,151.74 and 193,789,419.61

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Solution

The fourth proportional to 255,859,301.86, 382,779,151.74 and 193,789,419.61 is: 289,919,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,859,301.86 : 382,779,151.74 = 193,789,419.61 : x
  2. Step 2: Convert to fraction form
    255,859,301.86/382,779,151.74 = 193,789,419.61/x
  3. Step 3: Cross multiply
    255,859,301.86x = 382,779,151.74 × 193,789,419.61
  4. Step 4: Simplify right side
    255,859,301.86x = 74,178,549,654,502,736
  5. Step 5: Solve for x
    x = 74,178,549,654,502,736/255,859,301.86
  6. Step 6: Final answer
    x = 289,919,299.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.