Home / 56,483,869.95-84,687,125.55-28,764,129.89

Finding the Fourth Proportional to 56,483,869.95, 84,687,125.55 and 28,764,129.89

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Solution

The fourth proportional to 56,483,869.95, 84,687,125.55 and 28,764,129.89 is: 43,126,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,483,869.95 : 84,687,125.55 = 28,764,129.89 : x
  2. Step 2: Convert to fraction form
    56,483,869.95/84,687,125.55 = 28,764,129.89/x
  3. Step 3: Cross multiply
    56,483,869.95x = 84,687,125.55 × 28,764,129.89
  4. Step 4: Simplify right side
    56,483,869.95x = 2,435,951,479,358,448
  5. Step 5: Solve for x
    x = 2,435,951,479,358,448/56,483,869.95
  6. Step 6: Final answer
    x = 43,126,497.55

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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.