Home / 57,020,914-85,539,909-20,637,817

Finding the Fourth Proportional to 57,020,914, 85,539,909 and 20,637,817

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Solution

The fourth proportional to 57,020,914, 85,539,909 and 20,637,817 is: 30,959,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020,914 : 85,539,909 = 20,637,817 : x
  2. Step 2: Convert to fraction form
    57,020,914/85,539,909 = 20,637,817/x
  3. Step 3: Cross multiply
    57,020,914x = 85,539,909 × 20,637,817
  4. Step 4: Simplify right side
    57,020,914x = 1,765,356,988,138,653
  5. Step 5: Solve for x
    x = 1,765,356,988,138,653/57,020,914
  6. Step 6: Final answer
    x = 30,959,815.69

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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.