Home / 379,061,856.75-568,592,862.89-136,724,734.83

Finding the Fourth Proportional to 379,061,856.75, 568,592,862.89 and 136,724,734.83

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Solution

The fourth proportional to 379,061,856.75, 568,592,862.89 and 136,724,734.83 is: 205,087,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,061,856.75 : 568,592,862.89 = 136,724,734.83 : x
  2. Step 2: Convert to fraction form
    379,061,856.75/568,592,862.89 = 136,724,734.83/x
  3. Step 3: Cross multiply
    379,061,856.75x = 568,592,862.89 × 136,724,734.83
  4. Step 4: Simplify right side
    379,061,856.75x = 77,740,708,404,182,176
  5. Step 5: Solve for x
    x = 77,740,708,404,182,176/379,061,856.75
  6. Step 6: Final answer
    x = 205,087,130.29

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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.