Home / 56,212,055.68-77,572,198.38-31,432,290.44

Finding the Fourth Proportional to 56,212,055.68, 77,572,198.38 and 31,432,290.44

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Solution

The fourth proportional to 56,212,055.68, 77,572,198.38 and 31,432,290.44 is: 43,376,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,212,055.68 : 77,572,198.38 = 31,432,290.44 : x
  2. Step 2: Convert to fraction form
    56,212,055.68/77,572,198.38 = 31,432,290.44/x
  3. Step 3: Cross multiply
    56,212,055.68x = 77,572,198.38 × 31,432,290.44
  4. Step 4: Simplify right side
    56,212,055.68x = 2,438,271,869,549,457.50
  5. Step 5: Solve for x
    x = 2,438,271,869,549,457.50/56,212,055.68
  6. Step 6: Final answer
    x = 43,376,315.63

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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.