Home / 56,926,021.14-78,556,956.57-30,820,327.02

Finding the Fourth Proportional to 56,926,021.14, 78,556,956.57 and 30,820,327.02

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Solution

The fourth proportional to 56,926,021.14, 78,556,956.57 and 30,820,327.02 is: 42,531,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,926,021.14 : 78,556,956.57 = 30,820,327.02 : x
  2. Step 2: Convert to fraction form
    56,926,021.14/78,556,956.57 = 30,820,327.02/x
  3. Step 3: Cross multiply
    56,926,021.14x = 78,556,956.57 × 30,820,327.02
  4. Step 4: Simplify right side
    56,926,021.14x = 2,421,151,091,183,337.50
  5. Step 5: Solve for x
    x = 2,421,151,091,183,337.50/56,926,021.14
  6. Step 6: Final answer
    x = 42,531,535.54

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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.